However, if your tour is longer than 2 minutes, you're doing something wrong. The designers of the original Macintosh had this goal in mind: a person should un

However, if your tour is longer than 2 minutes, you're doing something wrong. The designers of the original Macintosh had this goal in mind: a person should understand how to use a Mac after watching over another user's shoulder for 3 minutes. For the iPhone, the tour consists only of their 30 second TV spots.