Check this site out. All you have to do is click on a picture of your favorite celebrity and voila! You can find out which hotels they have been spotted at in the past. Not as bad as GawkerStalker. Just goes to show you should spend a significant part of your advance online. If I have enough online data and other open source intelligence, anyone can figure out your principal's probable location. A poster at TacticalForums was kind of enough to provide the link to the hotel site.
