does levchin really have the midas touch? are slide and yelp ever going to be viable? yelp missed the boat, they should have sold out in 2006 when the hype over "local" was peaking. slide will be indeed likely end up as the king of the widget makers...for all that matters. yelp's site and reviews data will likely get bought for a song within the next three years....slide will slide into irrelevance as the widget market flames out