MOUNTAIN VIEW, Calif.--From Dave Lieb's desk, he can see a wall-mounted monitor about 75 feet away with nothing on it but black digits on a white background. Right now, it reads "59,957,611."
"It's going up one a second," says Lieb, the CEO of Bump Technologies, watching the number steadily climb. "I think we'll hit [60 million] just after lunch."
By 60 million, he means the total number of "Bumpers," people who have downloaded Bump's iPhone and Android apps, which allow two users to instantly share … Read more