According to this: http://en.wikipedia.org/wiki/AdSense#History http://en.wikipedia.org/wiki/AdSense#History ad sense was part of the Applied Semantics acquis

According to this: http://en.wikipedia.org/wiki/AdSense#History http://en.wikipedia.org/wiki/AdSense#History ad sense was part of the Applied Semantics acquisition mentioned above. Adwords, according to this: http://en.wikipedia.org/wiki/AdWords http://en.wikipedia.org/wiki/AdWords was done internally once an acquisition attempt for a similar product failed.