Explore · The library

Every resource founders actually use, in one library.

The essays, videos, podcasts, books and tools behind every answer across eChai's hubs, from starting up to go-to-market, D2C, founder money and AI, each with a note on why it is here.

What founders use most, ranked by how many answers lean on it.

  1. Explains what the EU's labelling rules mean for marketing: AI product images and CEO avatar videos count as deepfakes, and... ictrecht.nl Article · How Founders Use AI Heads up! AI Act transparency obligations now in effect ICTRecht
  2. How browser agents read a page (screenshots, HTML, the accessibility tree) and what to change so they can use your forms and... web.dev Guide · How Founders Use AI Build agent-friendly websites Kasper Kulikowski and Omkar More (web.dev)
  3. Google's 15 October 2026 changes to AI Mode and AI Overviews: more inline links higher up, a test of an official-sites section,... blog.google Article · How Founders Use AI More ways to connect with the web from Search Hema Budaraju (Google)
  4. A preregistered experiment with 1,100 real Google users: forcing AI Mode cut clicks to outside sites by 18.8 points, and... arxiv.org Article · How Founders Use AI AI in Search Reduces Publisher Referrals Without Improving User Experience: Experimental Evidence Wang, Gleason, Bart, Wilson and Metaxa (Northeastern and Penn)
  5. What GA4's AI Assistant channel (added 13 May 2026) counts, what it misses, and how to build a channel group that does not... searchenginejournal.com Guide · How Founders Use AI How To Track AI Traffic In GA4 Without Undercounting It Itamar Blauer (Search Engine Journal)
  6. Google's Universal Cart, live in the US from 15 October 2026 across Search and the Gemini app, with checkout through the... blog.google Article · How Founders Use AI An intelligent new shopping cart Google
  7. Why OpenAI moved away from Instant Checkout, with its own statement, and what that means for merchants. digitalcommerce360.com Article · How Founders Use AI OpenAI shifts checkout plans in its agentic commerce strategy Digital Commerce 360
  8. Meta's post on its ads MCP server and CLI: report, create and edit campaigns from the AI tools you already use, with a July... facebook.com Article · How Founders Use AI Introducing Meta Ads AI Connectors: Manage Your Meta Ads From the AI Tools You Already Use Meta
  9. What Google's 5 August notice said: which Search campaigns moved to AI Max on 1 September and which settings come on by default. ppc.land Article · How Founders Use AI Google Ads broad match campaigns face AI Max auto-upgrade on September 1 PPC Land
  10. Includes 'the competitor spy', a prompt that has an agent sign up for your top three competitors and report every new feature... x.com Thread · How Founders Use AI 9 cool GPT 6 Astra prompts worth trying Greg Isenberg
  11. What Work is (an agent for longer jobs that end in a spreadsheet, report or presentation), which plans include it and how its... help.openai.com Guide · How Founders Use AI ChatGPT Work and Codex OpenAI
  12. The launch of Claude in a Sheets sidebar: formulas, pivot tables, native charts, and Python for joins and cleanup written back... claude.com Article · How Founders Use AI Claude now works with Google Docs, Sheets, and Slides Anthropic
  13. OpenAI's own guide to its spreadsheet sidebar: who gets it, how to install it, and the review steps it asks you to follow. help.openai.com Guide · How Founders Use AI ChatGPT for Excel and Google Sheets OpenAI
  14. The launch of Claude Dashboards: connect BigQuery, Snowflake, Databricks or Salesforce, ask in plain words, and get a dashboard... claude.com Article · How Founders Use AI Build live dashboards and animate explainers with Claude Anthropic
  15. A BI founder on why cheaper answers create more follow-up questions for someone with data in their title, and why agents may do... benn.substack.com Article · How Founders Use AI How to find insights Benn Stancil
  16. A rep's four-agent research system, from domain to drafted sequence in under five minutes, shown step by step. clay.com Article · How Founders Use AI How Clay Runs Cold Outbound to Enterprise Accounts Clay
  17. From 231,818 cold emails: frame the value to the reader's seniority and match the tone of their department. lavender.ai Article · How Founders Use AI 5 Takeaways from Our Latest Cold Email Benchmark Report Will Allred (Lavender)
  18. Brex's growth lead on aiming for relevance rather than personalization, and why targeting comes before messaging. clay.com Article · How Founders Use AI Top 1%: How Brex Scaled Its Outbound Engine and Made Operations More Efficient Clay (with Michael Tai, Brex)
  19. Briefs before each call, notes during it, and follow-ups and CRM updates drafted after it, as one team actually runs it. granola.ai Article · How Founders Use AI How sales teams use Granola Granola
  20. A job-change play from detection to same-day drafted outreach, with the exact rules, also published as an installable skill. clay.com Article · How Founders Use AI How We Turn a Champion's Departure Into a Buying Signal Fadeke Adegbuyi and Andrew Morris (Clay)
  21. Microsoft's own rules for domains sending over 5,000 emails a day: SPF, DKIM and DMARC required, with non-compliant mail now... techcommunity.microsoft.com Article · How Founders Use AI Strengthening Email Ecosystem: Outlook's New Requirements for High-Volume Senders Microsoft
  22. Eight email providers tested against 4,238 known-valid emails, and why no single one covers everyone. clay.com Article · How Founders Use AI Best B2B Email List Providers: Tested and Ranked (2026) Eric Nowoslawski and Mishti Sharma (Clay)
  23. Granola's pre-meeting brief, built overnight from past notes, email and web research, so call prep takes no work. granola.ai Article · How Founders Use AI New: Briefs prepare you for your next meeting as you join Granola
  24. Agents filled in 6,346 demo forms: two-thirds of companies never replied and human replies took 26 to 40 hours on average. clay.com Article · How Founders Use AI We asked 6,346 companies for a demo. Most never wrote back. Clay (Alex Lindahl)

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