Nope, I don't think this one is about advertising. My guess is they want to move into the hotel referral sales game (it's not secret they've been trying to move

Nope, I don't think this one is about advertising. My guess is they want to move into the hotel referral sales game (it's not secret they've been trying to move into this space for a while). Before you can move into hotels though, you have to have a good flight search engine.