Subj : TikTok's new CEO 📱, Brex acquired 💳, GitHub Copilot SDK  To : All From : TLDR Date : Fri Jan 23 2026 11:23 am --temI2ZCt Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable TikTok has formed a joint venture to keep its platform operating in the U= S. Adam Presser will be the CEO of TikTok USDS Joint Venture=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 = =09=09TOGETHER WITH [Kaggle] [4] TLDR 2026-01-23 KAGGLE LA= UNCHES COMMUNITY BENCHMARKS FOR ANYONE TO BUILD THEIR OWN AI EVALS=C2= =A0(SPONSOR) [4]=20 As AI evolves at an unprecedented pace, measuring i= ntelligence requires more than a few AI research labs alone =E2=80=93 it = requires the imagination and collective expertise of the global community= .. That's why Kaggle launched Community Benchmarks, a new way for anyone t= o build, design, run and share custom benchmarks for evaluating AI mode= ls AT NO COST.=C2=A0 Community Benchmarks [4] enable you to build eval= uations easily. With free access to state-of-the-art AI models (subject t= o quota), support for multimodal inputs/outputs, tool use, and an easy-to= -use interface, you can start building right away!=20 =E2=86=92 Learn = more [5]=20 =E2=86=92 Watch the tutorial [4]=20 =E2=86=92 Get started [6]= =F0=9F=93=B1=20 BIG TECH & STARTUPS TIKTOK FORMS US JOINT VE= NTURE, NAMES ADAM PRESSER CEO (4 MINUTE READ) [7]=20 TikTok has forme= d a joint venture to keep its platform operating in the US. Adam Presser,= who has worked at TikTok for almost four years and was previously a seni= or executive at Warner Bros., will be the CEO of TikTok USDS Joint Ventur= e. TikTok CEO Shou Chew will be a director. The joint venture will operat= e under defined safeguards that protect national security.=20 CAPITAL= ONE STRIKES $5.15 BILLION DEAL FOR FINTECH BREX (3 MINUTE READ) [8]=20 = Capital One Financial has agreed to buy Brex for $5.15 billion in cas= h and stock. Brex launched in 2017 to cater to startups that ran into dif= ficulties getting corporate cards from traditional players. It is one of = the youngest US startups to join the billion-dollar valuation club. Capit= al One expects to close the deal in the second quarter.=20 = =F0=9F=9A=80=20 SCIENCE & FUTURISTIC TECHNOLOGY TESLA LAUNCHES PUB= LIC ROBOTAXI RIDES IN AUSTIN WITH NO SAFETY MONITOR (3 MINUTE READ) [9] = Tesla Robotaxi riders in Austin, Texas, are now able to hail a Model= Y Robotaxi without anyone in the vehicle. The company has removed the = human Safety Monitors that have been present in its robotaxis since launc= h last June. The change has not rolled out to the entire fleet yet. Video= s of riders experiencing the driverless service are available in the arti= cle.=20 TESLA WILL SELL HUMANOID ROBOTS BY END OF 2027 (2 MINUTE READ) = [10]=20 Elon Musk says he expects Tesla to begin selling humanoid robot= s to the public by the end of 2027. Tesla's Optimus robots are already = performing simple tasks in the company's factories. There are still profo= und technological challenges remaining for humanoid robots, including bas= ic issues like hand function. Musk has warned that initial production for= Optimus and the Cybercab will be agonizingly slow, but eventually will e= nd up being insanely fast.=20 =F0=9F=92=BB=20 PROGRAMMING, DESIGN & D= ATA SCIENCE BUILD AN AGENT INTO ANY APP WITH THE GITHUB COPILOT SDK (= 4 MINUTE READ) [11]=20 GitHub Copilot SDK allows developers to embed = the same agentic core that powers GitHub Copilot CLI into any application= .. It provides programmatic access to the same production-tested execution= loop, so developers don't have to manage context across turns, orchestra= te tools and commands, route between models, integrate MCP servers, or = think through permissions, safety boundaries, and failure modes. The SDK = also provides support for multiple AI models, custom tool definitions, Gi= tHub authentication, and real-time streaming. It is now available in tech= nical preview.=20 EXPOSING SAAS FUNCTIONALITY TO AGENTS IN LIEU OF MCP = (9 MINUTE READ) [12]=20 There is a lot of power in composing CLIs. Wi= th some creativity, it's possible for an individual to maintain CLIs inst= ead of an MCP server. This post discusses how to expose SaaS functionalit= y to agents without MCP. It provides examples of how to do so by giving a= n agent access to Google Docs and to Google Groups.=20 =F0=9F=8E=81 = MISCELLANEOUS AN INTERVIEW WITH NETFLIX CO-CEO GREG PETERS ABOU= T ENGAGEMENT AND WARNER BROS. (58 MINUTE READ) [13]=20 Netflix is fac= ing increasing skepticism from Wall Street due to its intention to acquir= e Warner Bros. The decision is a stark departure from Netflix's build-not= -buy philosophy. This article contains an interview with Netflix co-CEO G= reg Peters where he discusses why engagement is an important metric and h= ow live events play into that, the Warner Bros. acquisition, why Peters i= s convinced it is a home run, and the company's arguments as to why regul= ators should allow the acquisition. The interview is available as a podca= st.=20 MY TIME AT AMAZON, PART I (18 MINUTE READ) [14]=20 Becca Sel= ah joined Amazon in April of 2019, six months after becoming a mother. Th= is post takes a look at her time at the company. It covers Amazon's level= s, work/life balance, vacations, vesting, and more. Selah left a year and= two days into her tenure with an unceremonious exit.=20 =E2=9A=A1=20 = QUICK LINKS TLDR IS HIRING A SENIOR SOFTWARE ENGINEER, APPLIED AI = ($200K-$300K, FULLY REMOTE) [15]=20 As the first engineer on TLDR's n= ew Applied AI team, you'll build AI agents and composable Claude Skills t= o let non-technical teammates create their own AI workflows.=C2=A0Learn m= ore [16].=20 APPLE EXPANDS HARDWARE CHIEF'S ROLE IN LATEST SIGN OF CEO = CANDIDACY (8 MINUTE READ) [17]=20 Apple's hardware chief John Ternus'= role now includes design work, a role that has long been entrusted to a = senior leader.=20 THE AI START-UP SOAP OPERA RIVETING SILICON VALLEY (8= MINUTE READ) [18]=20 Barret Zoph's firing from Mira Murati's Thinkin= g Machines Lab has resulted in several employees leaving for OpenAI and o= ther companies.=20 STATE OF MARKETS (3 MINUTE READ) [19]=20 a16z's = State of Markets slide deck shares what the firm sees in the private and = public markets, what it thinks the state of AI looks like, and why today'= s winners are just built different.=20 EPIC AND GOOGLE HAVE A SECRET $8= 00 MILLION UNREAL ENGINE AND SERVICES DEAL (2 MINUTE READ) [20]=20 Ep= ic helped Google market Android, and in return, Google helped market Fort= nite.=20 MICROSOFT IS USING CLAUDE CODE INTERNALLY WHILE SELLING YOU CO= PILOT (1 MINUTE READ) [21]=20 Microsoft's Windows, Teams, M365, and o= ther divisions have been told to install Claude Code for internal testing= alongside Copilot.=20 AMAZON PLANS THOUSANDS MORE CORPORATE JOB CUTS N= EXT WEEK (2 MINUTE READ) [22]=20 The job cuts are part of the company= 's broader goal of cutting about 10% of its corporate workforce.=20 Lo= ve TLDR? Tell your friends and get rewards! Share your referral link = below with friends to get free TLDR swag!=20 https://refer.tldr.tech/66= 662a80/ [23]=20 =09=09 Track your referrals here. [24]=20 Want to adv= ertise in TLDR? =F0=9F=93=B0 If your company is interested in reachin= g an audience of tech executives, decision-makers and engineers, you may = want to ADVERTISE WITH US [25].=20 Want to work at TLDR? =F0=9F=92= =BC APPLY HERE [26], CREATE YOUR OWN ROLE [27] or send a friend's res= ume to jobs@tldr.tech and get $1k if we hire them! TLDR is one of INC.'S= BEST BOOTSTRAPPED BUSINESSES [28] of 2025.=20 If you have any commen= ts or feedback, just respond to this email!=20 Thanks for reading,=20 Da= n Ni [29] & Stephen Flanders [30]=20 Manage your subscriptions [31] to = our other newsletters on tech, startups, and programming. Or if TLDR isn'= t for you, please unsubscribe [32].=20 =20 Links: ------ [1] ht= tps://tldr.tech/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-d4e0-1= 1f0-a661-1b9fa34a893d&p=3D1cfb0cee-f83e-11f0-9ecf-a1580784432d&pt=3Dcampaig= n&t=3D1769167429&s=3Db34f104eebccf547b6d952db0c642cef4bdaedcd4d89a530b0d1cd= 3d3abf1846 [4] https://www.youtube.com/watch?v=3DVBlyJJ7PTD8?utm_medium= =3Dyoutube&utm_source=3Dtldr&utm_campaign=3Dproductlaunch-communitybenchmar= ks-2026 [5] https://www.kaggle.com/discussions/product-announcements/6678= 98 [6] https://www.kaggle.com/benchmarks?type=3Dcommunity?utm_medium=3Dla= ndingpage&utm_source=3Dtldr&utm_campaign=3Dproductlaunch-communitybenchmark= s-2026 [7] https://www.cnbc.com/2026/01/22/tiktok-forms-us-joint-venture-= names-a-ceo.html?utm_source=3Dtldrnewsletter [8] https://links.tldrnewsle= tter.com/cUch0V [9] https://www.teslarati.com/tesla-launches-robotaxi-rid= es-in-austin-with-no-safety-monitor/?utm_source=3Dtldrnewsletter [10] htt= ps://links.tldrnewsletter.com/ISvWUb [11] https://github.blog/news-insigh= ts/company-news/build-an-agent-into-any-app-with-the-github-copilot-sdk/?ut= m_source=3Dtldrnewsletter [12] https://walters.app/blog/composing-apis-cl= is?utm_source=3Dtldrnewsletter [13] https://stratechery.com/2026/an-inter= view-with-netflix-ceo-greg-peters-about-engagement-and-warner-bros/?utm_sou= rce=3Dtldrnewsletter [14] https://beccaselah.substack.com/p/my-time-at-am= azon-part-i?utm_source=3Dtldrnewsletter [15] https://jobs.ashbyhq.com/tld= r.tech/3b21aaf8-dea5-4127-be71-602d30e5001e?utm_source=3Dtldrnewsletter [= 16] https://jobs.ashbyhq.com/tldr.tech/3b21aaf8-dea5-4127-be71-602d30e5001e= [17] https://links.tldrnewsletter.com/T0wLRj [18] https://links.tldrne= wsletter.com/Q1DEhb [19] https://www.a16z.news/p/state-of-markets?utm_sou= rce=3Dtldrnewsletter [20] https://yro.slashdot.org/story/26/01/22/235220/= epic-and-google-have-a-secret-800-million-unreal-engine-and-services-deal?u= tm_source=3Drss1.0mainlinkanon&utm_medium=3Dfeed [21] https://links.tldrn= ewsletter.com/HZvr0U [22] https://links.tldrnewsletter.com/AH9XdZ [23] = https://refer.tldr.tech/66662a80/ [24] https://hub.sparklp.co/sub_e87ba9c= 7d7c0/1 [25] https://advertise.tldr.tech/?utm_source=3Dtldr&utm_medium=3D= newsletter&utm_campaign=3Dadvertisecta [26] https://jobs.ashbyhq.com/tldr= ..tech [27] https://jobs.ashbyhq.com/tldr.tech/c227b917-a6a4-40ce-8950-d3e= 165357871 [28] https://www.linkedin.com/feed/update/urn:li:activity:74016= 99691039830016/ [29] https://twitter.com/tldrdan [30] https://twitter.c= om/SteveFlanders22 [31] https://tldr.tech/tech/manage?email=3Dtldrnewslet= ter%40synchro.net [32] https://a.tldrnewsletter.com/unsubscribe?ep=3D1&l= =3Dcfa2d55a-b7be-11e8-a3c9-06b79b628af2&lc=3D265280dc-d4e0-11f0-a661-1b9fa3= 4a893d&p=3D1cfb0cee-f83e-11f0-9ecf-a1580784432d&pt=3Dcampaign&pv=3D4&spa=3D= 1769166083&t=3D1769167429&s=3Df4c9f19586959be1014f49f14c3099231e917a3fefb9f= 460a37c268337092c75 --temI2ZCt Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable TLDR
TikTok has= formed a joint venture to keep its platform operating in the US. Adam Pres= ser will be the CEO of TikTok USDS Joint Venture =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 =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 

TLDR

Together With =3D"Kaggle"

TLDR 2026-01-23

Kaggle Launches Community B= enchmarks for anyone to build their own AI evals (Sponsor)

As AI evolves at an unprecedented pace,= measuring intelligence requires more than a few AI research labs alone =E2= =80=93 it requires the imagination and collective expertise of the global c= ommunity. That's why Kaggle launched Community Benchmarks, a new way for an= yone to build, design, run and share custom benchmarks for evaluating AI mo= dels at no cost. 

Community Benchmarks enable you to build evaluations easily. With free access to state= -of-the-art AI models (subject to quota), support for multimodal inputs/out= puts, tool use, and an easy-to-use interface, you can start building right = away!

=E2=86=92 Learn more
=E2=86=92 Watch the tutorial
=E2=86=92 Get started

=F0=9F= =93=B1

Big Tech & Startups

TikTok forms US joint ventu= re, names Adam Presser CEO (4 minute read)

TikTok has formed a joint venture to ke= ep its platform operating in the US. Adam Presser, who has worked at TikTok= for almost four years and was previously a senior executive at Warner Bros= .., will be the CEO of TikTok USDS Joint Venture. TikTok CEO Shou Chew will = be a director. The joint venture will operate under defined safeguards that= protect national security.
Capital One Strikes $5.15 B= illion Deal for Fintech Brex (3 minute read)

Capital One Financial has agreed to buy= Brex for $5.15 billion in cash and stock. Brex launched in 2017 to cater t= o startups that ran into difficulties getting corporate cards from traditio= nal players. It is one of the youngest US startups to join the billion-doll= ar valuation club. Capital One expects to close the deal in the second quar= ter.
=F0=9F= =9A=80

Science & Futuristic Technology

Tesla launches public Robot= axi rides in Austin with no Safety Monitor (3 minute read)

Tesla Robotaxi riders in Austin, Texas,= are now able to hail a Model Y Robotaxi without anyone in the vehicle. The= company has removed the human Safety Monitors that have been present in it= s robotaxis since launch last June. The change has not rolled out to the en= tire fleet yet. Videos of riders experiencing the driverless service are av= ailable in the article.
Tesla will sell humanoid ro= bots by end of 2027 (2 minute read)

Elon Musk says he expects Tesla to begi= n selling humanoid robots to the public by the end of 2027. Tesla's Optimus= robots are already performing simple tasks in the company's factories. The= re are still profound technological challenges remaining for humanoid robot= s, including basic issues like hand function. Musk has warned that initial = production for Optimus and the Cybercab will be agonizingly slow, but event= ually will end up being insanely fast.
=F0=9F= =92=BB

Programming, Design & Data Science

Build an agent into any app= with the GitHub Copilot SDK (4 minute read)

GitHub Copilot SDK allows developers to= embed the same agentic core that powers GitHub Copilot CLI into any applic= ation. It provides programmatic access to the same production-tested execut= ion loop, so developers don't have to manage context across turns, orchestr= ate tools and commands, route between models, integrate MCP servers, or thi= nk through permissions, safety boundaries, and failure modes. The SDK also = provides support for multiple AI models, custom tool definitions, GitHub au= thentication, and real-time streaming. It is now available in technical pre= view.
Exposing SaaS functionality= to agents in lieu of MCP (9 minute read)

There is a lot of power in composing CL= Is. With some creativity, it's possible for an individual to maintain CLIs = instead of an MCP server. This post discusses how to expose SaaS functional= ity to agents without MCP. It provides examples of how to do so by giving a= n agent access to Google Docs and to Google Groups.
=F0=9F= =8E=81

Miscellaneous

<= /div>
An Interview with Netflix c= o-CEO Greg Peters About Engagement and Warner Bros. (58 minute read)

Netflix is facing increasing skepticism= from Wall Street due to its intention to acquire Warner Bros. The decision= is a stark departure from Netflix's build-not-buy philosophy. This article= contains an interview with Netflix co-CEO Greg Peters where he discusses w= hy engagement is an important metric and how live events play into that, th= e Warner Bros. acquisition, why Peters is convinced it is a home run, and t= he company's arguments as to why regulators should allow the acquisition. T= he interview is available as a podcast.
My time at Amazon, Part I (= 18 minute read)

Becca Selah joined Amazon in April of 2= 019, six months after becoming a mother. This post takes a look at her time= at the company. It covers Amazon's levels, work/life balance, vacations, v= esting, and more. Selah left a year and two days into her tenure with an un= ceremonious exit.
=E2=9A= =A1

Quick Links

TLDR is hiring a Senior Sof= tware Engineer, Applied AI ($200k-$300k, Fully Remote)

As the first engineer on TLDR's new App= lied AI team, you'll build AI agents and composable Claude Skills to let no= n-technical teammates create their own AI workflows. Lea= rn more.
Apple Expands Hardware Chie= f's Role in Latest Sign of CEO Candidacy (8 minute read)

Apple's hardware chief John Ternus' rol= e now includes design work, a role that has long been entrusted to a senior= leader.
The AI Start-Up Soap Opera = Riveting Silicon Valley (8 minute read)

Barret Zoph's firing from Mira Murati's= Thinking Machines Lab has resulted in several employees leaving for OpenAI= and other companies.
State of Markets (3 minute = read)

a16z's State of Markets slide deck shar= es what the firm sees in the private and public markets, what it thinks the= state of AI looks like, and why today's winners are just built different.
Epic and Google Have a Secr= et $800 Million Unreal Engine and Services Deal (2 minute read)

Epic helped Google market Android, and = in return, Google helped market Fortnite.
Microsoft is using Claude C= ode internally while selling you Copilot (1 minute read)

Microsoft's Windows, Teams, M365, and o= ther divisions have been told to install Claude Code for internal testing a= longside Copilot.
Amazon plans thousands more= corporate job cuts next week (2 minute read)

The job cuts are part of the company's = broader goal of cutting about 10% of its corporate workforce.

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3D"" --temI2ZCt-- .