With the recent announcement that Expedia has made a bid to purchase Orbitz, the world of online travel agencies (OTAs) is shrinking. Dramatically. If the deal goes through (it likely will), there will be two major OTAs left standing – Expedia and Priceline. And while consumers still have plenty of choice regarding where to purchase their travel (hotel direct, airline direct, etc.), the bigger question for those of us in the loyalty world is…where....