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.
- 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
- 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)
- 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)
- 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)
- 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)
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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)
- 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)
- 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
- 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)
- 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
- 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)
- 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
- 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)
The hubs
Starting Up
Find an idea, validate it, build, and land your first customers.
GTM
Go-to-market, from breaking in to how the best teams do it.
D2C
Building a direct-to-consumer brand, India-first.
Wealth
Paying yourself, ESOPs, secondaries, and de-risking founder wealth.
How Founders Use AI
How founders actually put AI to work, mapped topic by topic.
Glossary
Plain-language definitions of the startup and VC terms you'll hit.
eChai Partner Brands
The partnership →