Huge List of PDF, PPT documents / files sharing sites:
http://www.scribd.com/
http://www.docstoc.com/
http://www.calameo.com
http://member.thinkfree.com/
http://divshare.com/
http://www.keepandshare.com/
http://www.edocr.com/
http://www.4shared.com/
http://docs.google.com/
http://www.wepapers.com/
http://www.box.net
http://www.gigasize.com/
http://www.glasscubes.com/
http://www.doxtop.com
http://www.gazhoo.com/
http://www.yudu.com/
http://www.slideshare.net/
http://www.persianupload.net/
http://www.slingfile.com/
http://www.midupload.com/
http://memoware.com/
http://kewlshare.com/
http://filefactory.com/
http://2shared.com/
http://uploading.com/
https://www.easy-share.com/
http://www.mirrorcreator.com/
http://www.ziddu.com/
http://www.zshare.net/
http://www.myplick.com
http://www.badongo.com /
http://www.host-a.net /
http://hotfile.com /
http://ifile.it/
http://issuu.com /
http://www.mediafire.com /
http://www.datafilehost.com /
http://www.sendspace.com/
http://www.wikiupload.com/
http://depositfiles.com/
http://www.megafileupload.com/
http://uploaded.to/
http://www.gamefront.com/
http://uploadingit.com/
http://turboupload.com/
http://www.wupload.in
http://www.yourfilelink.com/
http://www.bigupload.com/
http://www.files.com/
http://www.speedyshare.com/
http://www.docstoc.com/
http://www.calameo.com
http://member.thinkfree.com/
http://divshare.com/
http://www.keepandshare.com/
http://www.edocr.com/
http://www.4shared.com/
http://docs.google.com/
http://www.wepapers.com/
http://www.box.net
http://www.gigasize.com/
http://www.glasscubes.com/
http://www.doxtop.com
http://www.gazhoo.com/
http://www.yudu.com/
http://www.slideshare.net/
http://www.persianupload.net/
http://www.slingfile.com/
http://www.midupload.com/
http://memoware.com/
http://kewlshare.com/
http://filefactory.com/
http://2shared.com/
http://uploading.com/
https://www.easy-share.com/
http://www.mirrorcreator.com/
http://www.ziddu.com/
http://www.zshare.net/
http://www.myplick.com
http://www.badongo.com /
http://www.host-a.net /
http://hotfile.com /
http://ifile.it/
http://issuu.com /
http://www.mediafire.com /
http://www.datafilehost.com /
http://www.sendspace.com/
http://www.wikiupload.com/
http://depositfiles.com/
http://www.megafileupload.com/
http://uploaded.to/
http://www.gamefront.com/
http://uploadingit.com/
http://turboupload.com/
http://www.wupload.in
http://www.yourfilelink.com/
http://www.bigupload.com/
http://www.files.com/
http://www.speedyshare.com/
gazhoo.com
yudu.com
slideshare.net
persianupload.net
issuu.com
edocr.com
4shared.com
slingfile.com
midupload.com
memoware.com
kewlshare.com
filefactory.com
2shared.com
uploading.com
easy-share.com
ziddu.com
zshare.net
scribd.com
docstoc.com
calameo.com
thinkfree.com
divshare.com
keepandshare.com
docs.google.com
wepapers.com
box.net
gigasize.com
docuter.com
glasscubes.com
doxtop.com
zshare.net
yudu.com
slideshare.net
persianupload.net
issuu.com
edocr.com
4shared.com
slingfile.com
midupload.com
memoware.com
kewlshare.com
filefactory.com
2shared.com
uploading.com
easy-share.com
ziddu.com
zshare.net
scribd.com
docstoc.com
calameo.com
thinkfree.com
divshare.com
keepandshare.com
docs.google.com
wepapers.com
box.net
gigasize.com
docuter.com
glasscubes.com
doxtop.com
zshare.net
http://www.scribd.com/
http://www.docstoc.com/
http://www.calameo.com
http://member.thinkfree.com/
http://divshare.com/
http://www.keepandshare.com/
http://www.edocr.com/
http://www.4shared.com/
http://docs.google.com/
http://www.wepapers.com/
http://www.box.net
http://www.gigasize.com/
http://www.glasscubes.com/
http://writer.zoho.com/home?serviceurl=%2Findex.do
http://www.doxtop.com
http://www.gazhoo.com/
http://www.yudu.com/
http://www.slideshare.net/
http://www.persianupload.net/
http://www.slingfile.com/
http://www.midupload.com/
http://memoware.com/
http://kewlshare.com/
http://filefactory.com/
http://2shared.com/
http://uploading.com/
https://www.easy-share.com/
http://www.mirrorcreator.com/
http://www.ziddu.com/
http://www.zshare.net/
http://www.myplick.com
http://www.badongo.com /
http://www.host-a.net /
http://hotfile.com /
http://ifile.it/
http://issuu.com /
http://www.mediafire.com /
http://www.datafilehost.com /
http://www.sendspace.com/
http://www.wikiupload.com/
http://depositfiles.com/
http://www.megafileupload.com/
http://uploaded.to/
http://www.gamefront.com/
http://uploadingit.com/
http://turboupload.com/
http://www.wupload.in
http://www.yourfilelink.com/
http://www.bigupload.com/
http://www.files.com/
http://www.speedyshare.com/
http://www.docstoc.com/
http://www.calameo.com
http://member.thinkfree.com/
http://divshare.com/
http://www.keepandshare.com/
http://www.edocr.com/
http://www.4shared.com/
http://docs.google.com/
http://www.wepapers.com/
http://www.box.net
http://www.gigasize.com/
http://www.glasscubes.com/
http://writer.zoho.com/home?serviceurl=%2Findex.do
http://www.doxtop.com
http://www.gazhoo.com/
http://www.yudu.com/
http://www.slideshare.net/
http://www.persianupload.net/
http://www.slingfile.com/
http://www.midupload.com/
http://memoware.com/
http://kewlshare.com/
http://filefactory.com/
http://2shared.com/
http://uploading.com/
https://www.easy-share.com/
http://www.mirrorcreator.com/
http://www.ziddu.com/
http://www.zshare.net/
http://www.myplick.com
http://www.badongo.com /
http://www.host-a.net /
http://hotfile.com /
http://ifile.it/
http://issuu.com /
http://www.mediafire.com /
http://www.datafilehost.com /
http://www.sendspace.com/
http://www.wikiupload.com/
http://depositfiles.com/
http://www.megafileupload.com/
http://uploaded.to/
http://www.gamefront.com/
http://uploadingit.com/
http://turboupload.com/
http://www.wupload.in
http://www.yourfilelink.com/
http://www.bigupload.com/
http://www.files.com/
http://www.speedyshare.com/