1. Amazon.com. http://www.amazon.com
2. ebay. http://www.ebay.com
3. Facebook. http://www.facebook.com
4. Facebooks prospects may rest on trove of data. http://www.nytimes.com/2012/05/15/technology/facebook-needs-to-turn-data-trove-into-investor-gold.html
5. Google plus. http://plus.google.com