I think most of you folks will recall the infamous iPhone 4 debacle that occurred last Spring. Months before the device's official release, an Apple engineer left his test unit at a bar in San Jose, California.
Not only did someone pick it up, but they negotiated a deal to sell the thing to Gizmodo. As serious as Apple is about secrecy, and given Steve Jobs' passionate temper, a lot of folks figured this kid wouldn't live through the weekend...