For ideas, books, and technologies, the longer something has already survived, the longer it's likely to keep surviving. Age is evidence of staying power.
What is the lindy effect? Read the full idea →A book in print for 50 years will probably outlast this year's hit; it's already proven it endures.
Email, the wheel, and plain text keep outliving the trendy tools meant to replace them.
Stoic and proverbial wisdom survives because it's been stress-tested across centuries.
Still busy after a century is strong evidence it'll be open next decade too.
Prefer the book that's lasted generations over the one everyone's hyping this month.
That's just how memory works. Lock the lindy effect in with a 5-minute active-recall session — spaced repetition, no signup.
Try this idea free →One tap adds it to your review queue — we bring it back right before you'd forget.