From Altair to iPad: 35 years of personal computer market share

http://arstechnica.com/business/2012/08/from-altair-to-ipad-35-years-of-personal-computer-market-share/

/ personal computer tablets smartphones phone cell mobile Altair BASIC interpreter Radio Shack TRS-80 Tandy Commodore PET Apple ][ 2 VIC-20 Commodore 64 mass market Sinclair ZX-80, ZX-81 Spectrum BBC Micro IBM clone Atari ST Macintosh NeXT Microsoft PS/2 OSX OS X Windows CE smartphone Symbian Blackberry PalmOS Linux RIM Research In Motion RIM Android iPad Apple Google network cloud platform mainframe post-PC /