Narrator: Sure, going from a cheese grater to a trash can might seem "innovative" to some, but Apple didn't need to innovate the look of its Mac Pro. It needed to make a good PC. The 2013 Mac Pro ...

The Mac Pro is one of Apple's longest running computer lines, dating back to 1994 with the Power Macintosh. This video features 21 different Macintosh designs that led to today's "trash can" Mac Pro.