Apple's WWDC is coming in a few hours. All Apple fans are expecting that Apple will release some new amazing Apple products. This year, what are we expecting? The result will be revealed in just a few hours. Before that, we can look back about the history of some Apple products such as Mac.Below is the Mac evolution history summarized by iheartapple2.com. We can take a few minutes to go through it.Reference : http://iheartapple2.com/post/52498663368...