Here's one of the most talked-about spots of the Super Bowl this year, created for the Motorola Xoom tablet. Notice the not-so-subtle reference to that historic 1984 spot by Apple, except this time, Motorola is the one throwing the hammer. Except for that lucky Motorola Xoom owner, everyone else is dressed in white, moping around like expressionless sheep. With a quick look at the multitouch capab