Looks like Palm CEO Ed Colligan may have inadvertently given away Bill Gates cell number while showing off the new Windows-powered Treo 700w earlier this week. While demonstrating the ease in finding contact information, Colligan used Gates as an example. A quick off the mark colleague noticed Gates' number and jotted it down. To see if it actually was the real number, he sent Gates a short text-message. Within minutes, a P.R. person from Microsoft Canada called back. I wonder how long it's going to take Gates to change his number?