Classic Google. First they try to buy Yelp.com and that fails, so they build Google Places (TBD if that turns out to be more successful). Now they tried to buy

Classic Google. First they try to buy Yelp.com and that fails, so they build Google Places (TBD if that turns out to be more successful). Now they tried to buy Groupon and failed and now they're potentially creating a clone of that instead. I guess these are classic examples of Build vs Buy.