Popular File Sharing Sites

I have find a good quality PDF and Doc file sharing sites list i hope you will also take its benefit for E-Book Submission.

http://www.docstoc.com/

http://www.slideshare.net/
http://www.scribd.com/
https://www.box.com/
http://www.esnips.com/
http://www.4shared.com/
http://www.gigasize.com/
http://www.calameo.com/
http://issuu.com/
http://www.edocr.com/ http://www.gazhoo.com/main.gaz https://www.zoho.com/docs/ http://www.slideboom.com/ http://www.authorstream.com/ http://www.slideserve.com/
http://www.myplick.com/
http://www.re-pdf.com/
http://www.calameo.com/
https://www.rapidshare.com/
http://www.lulu.com/
http://free.yudu.com/