Some Problems Are So Hard They Need to be Solved Piece By Piece

Andrew Parker had a great post a few years ago where he sketched out all the startups going after pieces of Craigslist:

Startups that have tried to go head-to-head against the entirety of Craigslist (the “horizontal approach”) have struggled. Startups that have tried to go up against pieces of Craigslist (the “vertical approach”) have been much more successful (e.g. StubHub, AirBnB). MORE