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THE DAILY INDEX

Technology, AI, software, security, crypto and business

Across today’s newsletters

Today’s Index

TIKTOK BEGINS RESTORING SERVICE FOR U.S. USERS AFTER TRUMP COMMENTS

TikTok is restoring service to US users after Trump posted to Truth Social calling for it to remain available so he can broadcast his inauguration. Trump said that he will issue an executive order to extend the period of time before the law banning the platform takes effect so that his administration can make a deal to protect US national security. There will be no liability for any company that helped keep TikTok from going dark. Some Republicans have made statements that appear to contradict Trump on how things might play out, saying that he will try to force a true divestiture of the social media platform.

BUILDING A MINIMALIST DATABASE IN 3000 LINES OF CODE

This article goes over how to build a simple database in about 3,000 lines of Go. By building it incrementally, it teaches core database principles like power-loss atomicity through append-only logs, efficient indexing with copy-on-write B+trees, and storage management with free lists. The DB starts as a simple KV store and evolves step-by-step to a relational database with transactions, concurrency control, and a SQL-like query language.

TRUMP PROMOTES NEW MEME COIN BEFORE TAKING OFFICE ON PRO-CRYPTO AGENDA

President-elect Trump launched a memecoin, TRUMP, through an affiliate company of the Trump Organization during his inaugural Crypto Ball on Friday night. The project plans to issue 1 billion tokens over three years, with Trump retaining 80% of the supply. The launch comes as Trump prepares to take office with a pro-crypto agenda, having selected crypto-friendly officials for key positions and promising friendly regulations. Critics warn that the token could create conflicts of interest by allowing direct financial influence from token holders, though the website clarifies that it is an expression of support rather than an investment vehicle.

PERPLEXITY AI MAKES A BID TO MERGE WITH TIKTOK U.S.

Perplexity AI has submitted a bid to ByteDance to create a new merged entity that will combine Perplexity AI, TikTok US, and new capital partners. The new structure would allow for most of ByteDance's existing investors to retain their equity stakes. Any potential transaction between Perplexity AI and ByteDance will likely take months to complete. ByteDance has publicly implied that it will not sell TikTok US, but Perplexity AI believes that it might be interested in a merger.

OPENAI IS TRYING TO EXTEND HUMAN LIFE, WITH HELP FROM A LONGEVITY STARTUP

OpenAI trained a new AI model called GPT-4b micro with a longevity science startup called Retro Biosciences. Retro, which is backed by Sam Altman, is trying to extend the human lifespan by 10 years. The GPT-4b micro model tries to re-engineer proteins that can turn human skin cells into young-seeming stem cells. It is the first model by OpenAI custom-built for biological research. OpenAI and Retro plan to release research on the model and its outputs.

BEHIND THE CURTAIN — COMING SOON: PH.D.-LEVEL SUPER-AGENTS

There are rumors that a top AI company will be announcing Ph.D.-level super-agents in the coming week. OpenAI's Sam Altman has scheduled a closed-door briefing with US government officials on January 30. The developments may explain why top AI developers have been talking publicly about AI replacing mid-level software engineers and other human jobs this year. A super-agent breakthrough could turn generative AI into a true replacement for human workers. While the AI world is full of hype, sources say that the coming advancement is significant.

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