
Craigslist, the free classifieds site, expands outside San Francisco in
2000, impacting newspaper publishers everywhere.

Google AdWords launched in
2000 allowing advertisers to target their customers with laser-sharp precision.
Wikipedia, the free open-source encyclopedia, launches in
2001 and today boasts more than 14 million articles in 271 different languages and bringing strangers together on projects.
Napster shutdown in
2001, opening the file-sharing floodgates.

Google's IPO in
2004 put the search engine on the path to powering countless aspects of our everyday lives.
Online video revolution in
2006 that led to a boom in homemade and professional content on the Internet and helped reshape everything from pop culture to politics.
Facebook opens to non-college students and Twitter takes off in
2006.

The iPhone debuts in
2007 and smartphones go from a luxury item to a necessity with an app for just about every aspect of modern life.
U.S. presidential campaign in
2008 in which the Internet changed every facet of the way campaigns are run.
Iranian election protests in
2009 when Twitter proved vital in organizing demonstrations and as a protest too.
...and could 2009 end with the Christmas Number 1 single being Rage Against The Machine instead of the usual X-Factor domination, thanks to a viral campaign that commenced on Facebook? We shall soon see...
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