The iPhone 7 Is Rumored To Be As Thick As The iPod Touch

A new report suggests the ”iPhone 7" could be thinnest iPhone yet, with a thickness of somewhere between 6.0mm and 6.5mm, which are similar measurement of the current iPod touch's 6.1mm. As a comparison, the current model of the iPhone 6 and iPhone 6 Plus are 6.9mm and 7.1mm thick. Theses phones are just getting thinner and thinner, why ? Whats the reason for it ? What do you think ?