Not all hotel rooms are created equal. Room77 is a new hotel
room search engine unveiled to rave reviews at the Launch
conference today. It shows you floor maps, a photo of each
room's view and when available, a photo of the room itself. That
way when you make a reservation, you can request exactly the
room you know you want to stay in.  The company's lead engineer
is Calvin Yang, a former Googler who designed Google Images
years ago. It was founded by Brad Gerstner, a serial
entrepreneur, investor and veteran of the travel tech world. The
service uses some math and Google Street View to estimate what
the view is like out a room's window until someone goes and
uploads a photo. The service then advises users how to call a
hotel to request a specific room - for example, call 48 hours
before your reservation, not 2 weeks ahead. It's an impressive
service and won over almost all the judges at Launch.  Will
hotels go for it? Some appear to be unhappy so far, but when
they get turned on to the lodging equivalent of