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2001
Apple introduced the Mac OS X operating system, which provides a protected memory architecture and preemptive multitasking among other advantages. Not to be outdone, Microsoft introduced Windows XP, which has a redesigned GUI. -
2003
The first 64-bit processor, AMD's Athlon 64, entered the consumer market. -
2005
The video sharing service YouTube was established. Google acquired Android, a Linux-based mobile operating system. -
2007
The iPhone brings many computer functions to smartphones. -
2010
Apple introduced the iPad, changed the way consumers watch media, and quickly launched the dormant tablet market.