In Pictures: When the PC is obsolete, how will you...
Attach a plethora of peripherals
Take a look at that iPad. Do you see a USB port? Now check out your Android or Windows 8 tablet. You might find just one. Sure, Bluetooth offers external device connectivity, but it’s not bulletproof. Nothing beats multiple USB ports when you need to attach a mouse, keyboard, game controller, external hard drive, thumb drive, and Skype headset.
In Pictures: When the PC is obsolete, how will you do this, and this, and this?