Bing.com’s long promised travel search launched today over here. At first sight it looks a lot like Kayak’s interface. But that is not to say that it isn’t good. Copying isn’t necessarily a bad thing. Bing has put into use the Farecast feature as well which lets you know if the price is expected to go up or not with a tip similar to stock buying. Maybe someone could start an Ebay.com for flight tickets and start options trading on them. Ideas… Ideas…