Microsoft Windows XP Home and Professional editions are released.
Android was founded in Palo Alto by Andy Rubin.
Mark Zuckerberg launches Thefacebook, later renamed to Facebook.
USA Patriot Act signed into law by George W. Bush, reducing restrictions on data/communication-related search investigations.
iPhone with iOS is announced by Apple.
First Core i7 desktop processors released by Intel: the i7-920, i7-940, and the i7-965 Extreme Edition.
Bitcoin introduced by a person under the fake name of Satoshi Nakamoto.