Charles, you may also want to look into the case of Mozilla - its browser Firefox has gained 15% of the market in less than 2 years.
1.65 billion dollar buyout[]
YouTube was bought by Google for $1.65 billion dollars, according to:
http://www.theage.com.au/news/Busness/Google-closes-A2b-YouTube-deal/2006/11/14/1163266548827.html
(learned via Wikipedia)
I don't know if you'd like us to edit the article itself, or if you'd like us to just put comments out here. Either way, I'm fine with it. LionKimbro