-2001 October - apple releases the iPod.
-2003 Sco sues Ibm claiming Linux violates Unix copyright, focusing attention on Gnu public licence, free and open source software, and Linux.
-2004 April - advance micro devices introduces the Opteron, a 64 bit processor for servers and powerful workstation,soon followed by the AMD64 for the desktop. 64 bit computing becomes widespread on the desktop. thin client processing gets new life.
-2005 dual core processor permit moore's law to continue by reducing microprocessor heating. clock speeds level off at 4000 MHz and chip resolution heads for 65 nm. Motherboards with up to 16 64-bit processor are available. Multiple-gigabyte memories for desktop computers are available. 200 gB hard drives are common.