among the top 100 global sites in Alexa, there are 4 adult sites right now and 3 of them are tube sites
42.
www.youporn.com
50.
www.redtube.com
54.
www.adultfriendfinder.com
59.
www.pornhub.com
I should have worded the thread title better, the adult tube sites reached popularity that TGP's could only dream about...