Subj : Robot Olympics 🤖, Microsoft ditches C++ 👨‍💻, infinite minds 🧠 To : All From : TLDR Date : Wed Dec 24 2025 11:23 am --TY7R9u5Z Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Many of the things we struggle to program into computers can be learned f= rom data, but only when that data is available.=C2=A0=E2=80=8C=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2= =A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C= =C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80= =8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2= =A0=E2=80=8C=C2=A0=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2= =A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C= =C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80= =8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0= =E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0=E2=80=8C=C2=A0 Sign = Up [1] |Advertise [2]|View Online [3]=20 =09=09TLDR=20 =09=09TOGETHER= WITH [Delve] [4] TLDR 2025-12-24 DELVE SHIPMAS DAY 3: AN AI BRO= WSER EXTENSION FOR ALL YOUR SECURITY QUESTIONNAIRES (SPONSOR) [4]=20 = Welcome to Delve Shipmas. Every day this week, Delve is launching a new A= I feature to make compliance more modern than ever. Yesterday, we launche= d the first-ever AI-native VRM platform. Today, we're launching... AI SEC= URITY QUESTIONNAIRE CHROME EXTENSION. You thought CSV's were bad. Then= you opened your first platform questionnaire and saw a 200-question surp= rise waiting for you. Today, Delve is making that go away once and for al= l with our AI browser extensions for security questionnaires! Delve's age= nt auto-extracts all the questions, answers them based on your reports, p= olicies, and tech stack - direclty in your Chrome tab. See why Bland= , Wisprflow, Greptile, and over 1000 more trust Delve to get and stay com= pliant with SOC 2, ISO 27001, GDPR and more. Book a demo here [5] to s= ee the AI extension in action and get $1,500 off compliance. = =F0=9F=93=B1=20 BIG TECH & STARTUPS MORAVEC'S PARADOX AND THE ROBO= T OLYMPICS (11 MINUTE READ) [6]=20 Many of the things we struggle to pr= ogram into computers can be learned from data, but only when that data is= available. If we can't learn from data, we are forced to program it in a= t lower performance. Computers can learn any skill, but only with enough = data, and we don't want to have to need huge amounts of data for every si= ngle task. As models get better, they will need less data to learn new ta= sks, and when this happens, we'll finally be able to build truly general= methods that combine physical understanding and cognition.=20 MICROS= OFT WANTS TO REPLACE ITS ENTIRE C AND C++ CODEBASE, PERHAPS BY 2030 (3 MI= NUTE READ) [7]=20 Microsoft is hiring staff to translate its codebase f= rom C and C++ to Rust. It plans to combine AI and algorithms to rewrite i= ts biggest code bases. The engineer will be expected to work on the tools= Microsoft is building to complete the project. The candidate will have= to work three days a week in Microsoft's Redmond office. The role pays= between $139,900 and $274,700 a year.=20 =F0=9F=9A=80=20 SCIENCE &= FUTURISTIC TECHNOLOGY SINGLE INJECTION TRANSFORMS THE IMMUNE SYSTEM = INTO A CANCER-KILLING MACHINE (7 MINUTE READ) [8]=20 An Australian te= am has discovered a way to transform normal T cells into supersoldiers in= the body. The treatment helped four people with stubborn blood cancer go= into remission for up to five months. The trial marks a step towards the= next revolution in CAR T therapy. CAR T cells are usually made outside t= he body, and making them is costly for both the body and wallet. The dura= bility of the new therapy, its longevity, and immune side effects still n= eed to be studied, but the trials highlight the promise of a one-and-done= therapy for deadly blood cancers.=20 THE ML DRUG DISCOVERY STARTUP T= RYING REALLY, REALLY HARD TO NOT CHEAT (LEASH BIO) (33 MINUTE READ) [9] = Leash Bio is a Utah-based startup that aims to build big datasets of= small-molecules x protein interactions and train a model on it, then u= se the trained model to design a drug. The startup has a nearly pathologi= cal design to make sure its models are learning the correct thing. The st= artup has produced a lot of interesting artifacts from its line of resear= ch. This post looks at a few of the discoveries the startup has made.=20 = =F0=9F=92=BB=20 PROGRAMMING, DESIGN & DATA SCIENCE INTERVIEWING= FOR ML/AI ENGINEERS (16 MINUTE READ) [10]=20 The ML Systems Design int= erview, as an interview type, is very easy to do badly. Some companies ru= n a parody of the Big Tech interview process, while others clearly have t= hought deeply about what they want, but they still don't conduct effectiv= e interviews. The interview process should be robust enough to avoid bein= g fooled by people who are good at talking, but still accurate enough to = calibrate the candidate's level as well as willingness to push out-of-ban= d offers. The best pitch for a candidate is to present to them a slate of= talented and thoughtful interviewers who could be their future co-work= ers, and an interview process rigorous enough to assure them that their c= o-workers have been thoroughly examined.=20 ON FRIDAY DEPLOYS: SOMETIME= S THAT PUPPY NEEDS MURDERING (6 MINUTE READ) [11]=20 Deploy freezes a= re a workaround, not a virtue. It's possible to evade the high-stakes per= il of locks and freezes and terrifying recoveries by freezing merges and = letting people work on other things, and also not freezing deploys unless= your goal is to test deploy freezes. We often forget about the outages a= nd instability we trigger with our inaction. Just run the deploy process = as usual, but don't ship new code out.=20 =F0=9F=8E=81=20 MISCELLAN= EOUS STEAM, STEEL, AND INFINITE MINDS (7 MINUTE READ) [12]=20 Eve= ry technological shift requires people to stop seeing the world through t= he past and start imagining a new one. We are still trying to build chatb= ots onto workflows designed for humans. What we should do instead is to i= magine what knowledge work could look like when the busywork is delegated= to minds that never sleep. The knowledge economy is about to undergo a s= ignificant transformation.=20 WHAT JOBS ARE MADE OF (6 MINUTE READ) [13= ]=20 Early-career roles are traditionally more execution-heavy. Over ti= me, contribution tends to shift toward judgment and agency. AI systems ar= e making faster progress on execution than on defining problems, choosi= ng what to work on, and navigating ambiguity. This disproportionately aff= ects entry-level hiring as the execution layer becomes cheaper and thinne= r.=20 =E2=9A=A1=20 QUICK LINKS CRAVING MORE AI IN YOUR INBOX? (= SPONSOR) [14]=20 TLDR AI is your daily fix of LLMs, GenAI, and deep lea= rning goodness. Same TLDR format. Still free. Subscribe now. [14] = CODEX IS A SLYTHERIN, CLAUDE IS A HUFFLEPUFF (8 MINUTE READ) [15]=20 = If AI models were in Hogwarts houses, Gemini would be Gryffindor, Mis= tral would be Ravenclaw, Codex would be Slytherin, and Claud would be Huf= flepuff.=20 THE COORDINATION TAX (12 MINUTE READ) [16]=20 Some judg= ment is genuinely irreplaceable, but most organizations contain far less = of that judgment than their headcount suggests.=20 CHINA JUST CARRIED O= UT ITS SECOND REUSABLE LAUNCH ATTEMPT IN THREE WEEKS (3 MINUTE READ) [17]= =20 The China Aerospace Science and Technology Corporation is conductin= g further analysis and investigation to determine why the first stage f= ailed to be recovered.=20 MICROQUICKJS (GITHUB REPO) [18]=20 MicroQ= uickJS is a JavaScript engine targeted at embedded systems that compiles = and runs JavaScript programs with as low as 10 kB of RAM.=20 WHERE THE = HORSES WENT (22 MINUTE READ) [19]=20 The core problems in robotics are = far from solved, but most of the substantial blockers to robotics deploym= ents now seem solvable at a technical level.=20 NEOEN BEGINS CONSTRUC= TION OF ANOTHER BIG BATTERY, FIRST IN WORLD TO DEPLOY TESLA MEGABLOCK TEC= HNOLOGY (3 MINUTE READ) [20]=20 Neoen's big battery project in South Au= stralia will be the first project in the world to deploy the new Tesla Me= gablock product.=20 Love TLDR? Tell your friends and get rewards! = Share your referral link below with friends to get free TLDR swag!=20 h= ttps://refer.tldr.tech/66662a80/ [21]=20 =09=09 Track your referrals her= e. [22]=20 Want to advertise in TLDR? =F0=9F=93=B0 If your company= is interested in reaching an audience of tech executives, decision-maker= s and engineers, you may want to ADVERTISE WITH US [23].=20 Want to wo= rk at TLDR? =F0=9F=92=BC APPLY HERE [24], CREATE YOUR OWN ROLE [25] o= r send a friend's resume to jobs@tldr.tech and get $1k if we hire them! T= LDR is one of INC.'S BEST BOOTSTRAPPED BUSINESSES [26] of 2025.=20 If= you have any comments or feedback, just respond to this email!=20 Thank= s for reading,=20 Dan Ni [27] & Stephen Flanders [28]=20 All TLDR newsl= etters except the original TLDR are on hiatus until the new year, happy h= olidays! Manage your subscriptions [29] to our other newsletters on t= ech, startups, and programming. Or if TLDR isn't for you, please unsubs= cribe [30].=20 =C2=A0=20 =20 Links: ------ [1] https://tldr.te= ch/signup?utm_source=3Dtldr [2] https://advertise.tldr.tech/?utm_source= =3Dtldr&utm_medium=3Dnewsletter&utm_campaign=3Dadvertisetopnav [3] https:= //a.tldrnewsletter.com/web-version?ep=3D1&lc=3D265280dc-d4e0-11f0-a661-1b9f= a34a893d&p=3Deff62fda-e0aa-11f0-8d97-67abb6bab823&pt=3Dcampaign&t=3D1766575= 397&s=3Dde1b6554126cc788e2f3989ef12e70eff0ea748d7acdec4081be54f0de1f0f9e = [4] https://delve.co/?utm_source=3Dtldr&utm_medium=3Dnewsletter&utm_campaig= n=3Dtldr-primary-dec23-25 [5] https://delve.co/book-demo?utm_source=3Dtld= r&utm_medium=3Dnewsletter&utm_campaign=3Dtldr-primary-dec24-25 [6] https:= //www.physicalintelligence.company/blog/olympics?utm_source=3Dtldrnewslette= r [7] https://www.theregister.com/2025/12/24/microsoft_rust_codebase_migr= ation/?utm_source=3Dtldrnewsletter [8] https://singularityhub.com/2025/12= /23/single-injection-transforms-the-immune-system-into-a-cancer-killing-mac= hine/?utm_source=3Dtldrnewsletter [9] https://www.owlposting.com/p/an-ml-= drug-discovery-startup-trying?utm_source=3Dtldrnewsletter [10] https://ww= w.moderndescartes.com/essays/ml_eng_interviewing/?utm_source=3Dtldrnewslett= er [11] https://charity.wtf/2025/12/24/on-friday-deploys-sometimes-that-p= uppy-needs-murdering-xpost/?utm_source=3Dtldrnewsletter [12] https://link= s.tldrnewsletter.com/OfsjwJ [13] https://thomwolf.substack.com/p/what-job= s-are-made-of?utm_source=3Dtldrnewsletter [14] https://tldr.tech/ai/?utm_= source=3Dtldr&utm_medium=3Dnewsletter&utm_campaign=3Dquicklinks12242025 [= 15] https://bits.logic.inc/p/codex-is-a-slytherin-claude-is-a?utm_source=3D= tldrnewsletter [16] https://codegood.co/writing/the-coordination-tax?utm_= source=3Dtldrnewsletter [17] https://arstechnica.com/space/2025/12/china-= just-carried-out-its-second-reusable-launch-attempt-in-three-weeks/?utm_sou= rce=3Dtldrnewsletter [18] https://github.com/bellard/mquickjs/blob/main/R= EADME.md?utm_source=3Dtldrnewsletter [19] https://itcanthink.substack.com= /p/where-the-horses-went?utm_source=3Dtldrnewsletter [20] https://renewec= onomy.com.au/neoen-begins-construction-of-another-big-battery-first-in-worl= d-to-deploy-tesla-megablock-technology/?utm_source=3Dtldrnewsletter [21] = https://refer.tldr.tech/66662a80/ [22] https://hub.sparklp.co/sub_e87ba9c= 7d7c0/1 [23] https://advertise.tldr.tech/?utm_source=3Dtldr&utm_medium=3D= newsletter&utm_campaign=3Dadvertisecta [24] https://jobs.ashbyhq.com/tldr= ..tech [25] https://jobs.ashbyhq.com/tldr.tech/c227b917-a6a4-40ce-8950-d3e= 165357871 [26] https://www.linkedin.com/feed/update/urn:li:activity:74016= 99691039830016/ [27] https://twitter.com/tldrdan [28] https://twitter.c= om/SteveFlanders22 [29] https://tldr.tech/tech/manage?email=3Dtldrnewslet= ter%40synchro.net [30] https://a.tldrnewsletter.com/unsubscribe?ep=3D1&l= =3Dcfa2d55a-b7be-11e8-a3c9-06b79b628af2&lc=3D265280dc-d4e0-11f0-a661-1b9fa3= 4a893d&p=3Deff62fda-e0aa-11f0-8d97-67abb6bab823&pt=3Dcampaign&pv=3D4&spa=3D= 1766574086&t=3D1766575397&s=3De3d0ac43bc254762e7b34b0536a07c1fa13b475adc0d1= eb796602237d684c776 --TY7R9u5Z Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable TLDR
Many of th= e things we struggle to program into computers can be learned from data, bu= t only when that data is available. =E2=80=8C =E2=80=8C =E2= =80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2= =80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2= =80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2= =80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2= =80=8C =E2=80=8C =E2=80=8C =E2=80=8C  =E2=80=8C&nb= sp;=E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C&nb= sp;=E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C&nb= sp;=E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C&nb= sp;=E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C&nb= sp;=E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C =E2=80=8C&nb= sp;

TLDR

Together With 3D"Delve"

TLDR 2025-12-24

= =20
Delve Shipmas Day 3: An AI = browser extension for all your security questionnaires (Sponsor)

Welcome to Delve Shipmas. Every day thi= s week, Delve is launching a new AI feature to make compliance more modern = than ever. Yesterday, we launched the first-ever AI-native VRM platform. To= day, we're launching... AI security questionnaire chrome extension.=

You thought CSV's were bad. Then you opened your first p= latform questionnaire and saw a 200-question surprise waiting for you. Toda= y, Delve is making that go away once and for all with our AI browser extens= ions for security questionnaires! Delve's agent auto-extracts all the quest= ions, answers them based on your reports, policies, and tech stack - direcl= ty in your Chrome tab.

See why Bland, Wisprflow, Greptile, and over 1= 000 more trust Delve to get and stay compliant with SOC 2, ISO 27001, GDPR = and more.

Book a demo her= e to see the AI extension in action and get $1,500 off complianc= e. =20 =20

=20
=F0=9F= =93=B1

Big Tech & Startups

=20
Moravec's Paradox and the R= obot Olympics (11 minute read)

Many of the things we struggle to progr= am into computers can be learned from data, but only when that data is avai= lable. If we can't learn from data, we are forced to program it in at lower= performance. Computers can learn any skill, but only with enough data, and= we don't want to have to need huge amounts of data for every single task. = As models get better, they will need less data to learn new tasks, and when= this happens, we'll finally be able to build truly general methods that co= mbine physical understanding and cognition.
=20
=20
Microsoft wants to replace = its entire C and C++ codebase, perhaps by 2030 (3 minute read)

Microsoft is hiring staff to translate = its codebase from C and C++ to Rust. It plans to combine AI and algorithms = to rewrite its biggest code bases. The engineer will be expected to work on= the tools Microsoft is building to complete the project. The candidate wil= l have to work three days a week in Microsoft's Redmond office. The role pa= ys between $139,900 and $274,700 a year.
=20
=F0=9F= =9A=80

Science & Futuristic Technology

=20
Single Injection Transforms= the Immune System Into a Cancer-Killing Machine (7 minute read)

An Australian team has discovered a way= to transform normal T cells into supersoldiers in the body. The treatment = helped four people with stubborn blood cancer go into remission for up to f= ive months. The trial marks a step towards the next revolution in CAR T the= rapy. CAR T cells are usually made outside the body, and making them is cos= tly for both the body and wallet. The durability of the new therapy, its lo= ngevity, and immune side effects still need to be studied, but the trials h= ighlight the promise of a one-and-done therapy for deadly blood cancers.
=20
=20
The ML drug discovery start= up trying really, really hard to not cheat (Leash Bio) (33 minute read)

Leash Bio is a Utah-based startup that = aims to build big datasets of small-molecules x protein interactions and tr= ain a model on it, then use the trained model to design a drug. The startup= has a nearly pathological design to make sure its models are learning the = correct thing. The startup has produced a lot of interesting artifacts from= its line of research. This post looks at a few of the discoveries the star= tup has made.
=20
=F0=9F= =92=BB

Programming, Design & Data Science

=20
Interviewing for ML/AI Engi= neers (16 minute read)

The ML Systems Design interview, as an = interview type, is very easy to do badly. Some companies run a parody of th= e Big Tech interview process, while others clearly have thought deeply abou= t what they want, but they still don't conduct effective interviews. The in= terview process should be robust enough to avoid being fooled by people who= are good at talking, but still accurate enough to calibrate the candidate'= s level as well as willingness to push out-of-band offers. The best pitch f= or a candidate is to present to them a slate of talented and thoughtful int= erviewers who could be their future co-workers, and an interview process ri= gorous enough to assure them that their co-workers have been thoroughly exa= mined.
=20
=20
On Friday Deploys: Sometime= s that Puppy Needs Murdering (6 minute read)

Deploy freezes are a workaround, not a = virtue. It's possible to evade the high-stakes peril of locks and freezes a= nd terrifying recoveries by freezing merges and letting people work on othe= r things, and also not freezing deploys unless your goal is to test deploy = freezes. We often forget about the outages and instability we trigger with = our inaction. Just run the deploy process as usual, but don't ship new code= out.
=20
=F0=9F= =8E=81

Miscellaneous

<= /div>
=20
Steam, Steel, and Infinite = Minds (7 minute read)

Every technological shift requires peop= le to stop seeing the world through the past and start imagining a new one.= We are still trying to build chatbots onto workflows designed for humans. = What we should do instead is to imagine what knowledge work could look like= when the busywork is delegated to minds that never sleep. The knowledge ec= onomy is about to undergo a significant transformation.
=20
=20
What Jobs Are Made Of (6 mi= nute read)

Early-career roles are traditionally mo= re execution-heavy. Over time, contribution tends to shift toward judgment = and agency. AI systems are making faster progress on execution than on defi= ning problems, choosing what to work on, and navigating ambiguity. This dis= proportionately affects entry-level hiring as the execution layer becomes c= heaper and thinner.
=20
=E2=9A= =A1

Quick Links

=20
Craving more AI in your inb= ox? (Sponsor)

TLDR AI is your daily fix of LLMs, GenA= I, and deep learning goodness. Same TLDR format. Still free.

Subscribe now. =20 =20

=20
=20
Codex is a Slytherin, Claud= e is a Hufflepuff (8 minute read)

If AI models were in Hogwarts houses, G= emini would be Gryffindor, Mistral would be Ravenclaw, Codex would be Slyth= erin, and Claud would be Hufflepuff.
=20
=20
The Coordination Tax (12 mi= nute read)

Some judgment is genuinely irreplaceabl= e, but most organizations contain far less of that judgment than their head= count suggests.
=20
=20
China just carried out its = second reusable launch attempt in three weeks (3 minute read)

The China Aerospace Science and Technol= ogy Corporation is conducting further analysis and investigation to determi= ne why the first stage failed to be recovered.
=20
=20
MicroQuickJS (GitHub Repo)<= /strong>

MicroQuickJS is a JavaScript engine tar= geted at embedded systems that compiles and runs JavaScript programs with a= s low as 10 kB of RAM.
=20
=20
Where the Horses Went (22 m= inute read)

The core problems in robotics are far f= rom solved, but most of the substantial blockers to robotics deployments no= w seem solvable at a technical level.
=20
=20
Neoen begins construction o= f another big battery, first in world to deploy Tesla Megablock technology = (3 minute read)

Neoen's big battery project in South Au= stralia will be the first project in the world to deploy the new Tesla Mega= block product.
=20
=20
=20

Love TLDR? Tell your friends and get rewards!

Share your referral link below with friends to get free T= LDR swag!
Track your referrals here.
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Want to advertise in TLDR? =F0=9F=93=B0

If your company is interested in reaching an audience of tech exe= cutives, decision-makers and engineers, you may want to advertise with us.

Want to work at TLDR? =F0=9F=92=BC

Apply here,=20 create your = own role=20 or send a friend's resume to jobs@tldr.tech=20 and get $1k if we hire them! TLDR is one of Inc.'s Best Bootstrapped businesses of 2025.

If you have any comments or feedback, just respond to this email!

Thanks for reading,
Dan Ni & Stephen Flanders

All TLDR newsletters except the original TLDR are on hiatus until t= he new year, happy holidays!


Manage your subscriptions to our other= newsletters on tech, startups, and programming.=20 Or if TLDR isn't for you, please unsubscribe.

 
3D"" --TY7R9u5Z-- .