51 PDF and Document sharing sites

1	http://www.scribd.com/
2	http://www.docstoc.com/
3	http://www.calameo.com
4	http://member.thinkfree.com/
5	http://divshare.com/
6	http://www.keepandshare.com/
7	http://www.edocr.com/
8	http://www.4shared.com/
9	http://docs.google.com/
10	http://www.wepapers.com/
11	http://www.box.net
12	http://www.gigasize.com/
13	http://www.glasscubes.com/
14	http://writer.zoho.com/home?serviceurl=%2Findex.do
15	http://www.doxtop.com
16	http://www.gazhoo.com/
17	http://www.yudu.com/
18	http://www.slideshare.net/
19	http://www.persianupload.net/
20	http://www.slingfile.com/
21	http://www.midupload.com/
22	http://memoware.com/
23	http://kewlshare.com/
24	http://filefactory.com/
25	http://2shared.com/
26	http://uploading.com/
27	https://www.easy-share.com/
28	http://www.mirrorcreator.com/
29	http://www.ziddu.com/
30	http://www.zshare.net/
31	http://www.myplick.com
32	http://www.badongo.com /
33	http://www.host-a.net /
34	http://hotfile.com /
35	http://ifile.it/
36	http://issuu.com /
37	http://www.mediafire.com /
38	http://www.datafilehost.com /
39	http://www.sendspace.com/
40	http://www.wikiupload.com/
41	http://depositfiles.com/
42	http://www.megafileupload.com/
43	http://uploaded.to/
44	http://www.gamefront.com/
45	http://uploadingit.com/
46	http://turboupload.com/
47	http://www.wupload.in
48	http://www.yourfilelink.com/
49	http://www.bigupload.com/
50	http://www.files.com/
51	http://www.speedyshare.com/ source :- http://www.blackhatworld.com/