I dunno, their recommendation engine was scary good -- the technology Ebay's acquiring isn't anything to sniff at. They reportedly have a defensive portfolio of pending patents: http://www.formspring.me/hunch/q/169651283274266480

Ebay's been on a spending spree this past year and I'd say this is one of the better deals they've made, depending on how long they've locked in Hunch's team.