"Bing isn't just a search engine, it's a decision engine. Download these Bing-branded ringtones to your mobile device, then make www.bing.com your new default search engine today."
Microsoft's BingTones certainly live up to their name. There's more "bing" in them than you could ever imagine. Perhaps to the point where using them would cause offense to those around you on your daily commute. Still, check 'em out and let us know if they've found a new home on your Windows Mobile device.