Issuu Docstoc Scribd

http://en.wikipedia.org/wiki/Issuu

http://en.wikipedia.org/wiki/Scribd

http://www.techcrunch.com/2009/07/28/issuu-launches-api-goes-after-docstoc-and-scribd-once-more/


http://issuu.com/

http://www.docstoc.com/

http://www.scribd.com/

http://www.crunchbase.com/company/issuu

http://www.crunchbase.com/company/scribd