The Lean Startup: How Today's Entrepreneurs Use Continuous Innovation to Create Radically Successful Businesses · chapter 7 · id the-lean-startup-c7-02-startups-should-distinguish-be
“Startups should distinguish between 'vanity metrics' (total signups, page views) and 'actionable metrics' (per-cohort conversion rates, retention) that drive real decisions.”
TRUE, BUTconfidence: high⚠ extracted by pipeline, re-audit pending
Receipts
Andrew Chen, growth metrics writing (2008-2011)source alive
The distinction between vanity and actionable metrics was widely discussed in the startup analytics community before Ries' book, particularly by Andrew Chen and Dave McClure (Pirate Metrics/AARRR, 2007).
Dave McClure, Startup Metrics for Pirates (AARRR), 2007source alive
McClure's AARRR framework (Acquisition, Activation, Retention, Referral, Revenue) predates Ries' vanity/actionable distinction by 4 years and is more specific.
This claim is a stable, citable object. If you can falsify a verdict, tell us. Corrections are loud here.