From punchcards to Siri The history and future of input devices

We take sweeping input gestures -- like pinch and zoom -- and ultra-accurate desktop mice for granted, but it wasn't that long ago that they were invented.

Here's a look back at the input devices that helped build the computer industry.

Source:
http://www.extremetech.com/computing/98287-from-punchcards-to-ipads-the-history-of-input-devices