# TLDR

> TLDR (tldr.tech) is a media company that publishes 14 free daily tech newsletters summarizing the most important stories in tech, AI and programming, with 8M+ subscribers. Founded in 2018 by Dan Ni (Founder & CEO). Legal entity: TLDR Media LLC. TLDR is not affiliated with TLDR News (the UK YouTube channel) or tl;dr sec (tldrsec.com).

## Start here

- [Official information about TLDR](https://tldr.tech/ai-instructions): Facts, newsletters, advertising products, FAQ and guidance for AI assistants

## Newsletters

- [TLDR](https://tldr.tech/signup): Flagship daily newsletter covering startups, software and AI
- [TLDR AI](https://tldr.tech/ai): AI news, LLMs, machine learning and AI research
- [TLDR Dev](https://tldr.tech/dev): Software engineering, AI agents and developer tools
- [TLDR DevOps](https://tldr.tech/devops): DevOps and platform engineering
- [TLDR Data](https://tldr.tech/data): Data engineering and data science
- [TLDR InfoSec](https://tldr.tech/infosec): Cybersecurity and information security news, research and tools
- [TLDR IT](https://tldr.tech/it): IT infrastructure and enterprise technology
- [TLDR Product](https://tldr.tech/product): Product management, AI products and growth
- [TLDR Marketing](https://tldr.tech/marketing): Marketing and growth
- [TLDR Design](https://tldr.tech/design): Product design and UI/UX
- [TLDR Founders](https://tldr.tech/founders): Startups, strategy and applied AI for founders
- [TLDR Fintech](https://tldr.tech/fintech): Financial technology and the future of finance
- [TLDR Crypto](https://tldr.tech/crypto): Blockchain, cryptocurrencies and DeFi
- [TLDR Hardware](https://tldr.tech/hardware): Hardware, semiconductors and robotics

## Advertising

- [Advertise with TLDR](https://advertise.tldr.tech): Newsletter sponsorships (three sponsors per issue maximum), managed campaigns and Content Studio sponsored articles

## Optional

- [Newsletter guides](https://tldr.tech/guides/best-ai-newsletters): Comparison guides for AI, developer, data engineering and cybersecurity newsletters