Millions of Americans have become slaves to their BlackBerries and Treos: Many users check their hand-helds while driving, while brushing their teeth, at 2am. Meant to be time-saving helpers, for many the devices have earned their "CrackBerry" moniker.

Whether on vacation or at a business conference, says Carla Caccavale, partner at Quinn & Co. , "It's hard to communicate with other people when you can't put your BlackBerry down."

Strategy

"This was an effort to reconnect guests with the hotel experience," says Caccavale, ...