Union Square Ventures — portfolio autopsies

Canadian teen messaging app killed Kik to fight SEC enforcement over $100M Kin crypto token ICO

London's taxi-hailing app raised $100M but was crushed by Uber's war chest and merged into MyTaxi.

FarmVille creator — $10B IPO, Facebook algorithm change destroyed it overnight

Yahoo paid $1.1B for Tumblr — Automattic later bought it for $3M after the NSFW ban destroyed the community

The Airbnb for science experiments ran out of runway before labs ran out of needs.

The 3D printing marketplace that raised $100M promising to put personal manufacturing online — hollowed out when industrial customers went direct

UK P2P SMB lender IPO'd at £1.5B — stock fell 90%+ as default rates rose and the model broke

Germany's P2P lending pioneer. Open Banking arrived too late. Stagnated.

del.icio.us invented social bookmarking in 2003. Yahoo bought it. Then AVOS. Then Science Inc. Then it died.

Boxee built the software that connected TVs to internet content before Roku and Apple TV did. Samsung acquired it. Then abandoned it.

4 million sticker collectors who never turned into a monetizable TV ad business.

The virtual DJ room that built the internet's most social music experience — and was shut down by music licensing costs

The FarmVille empire — built on Facebook, destroyed when Facebook changed its newsfeed algorithm.