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7 |
| http://www.yudu.com/ |
6 |
| http://www.uploading.com |
5 |
| http://www.slingfile.com |
4 |
| http://www.slideworld.com |
5 |
| http://www.slideshare.net |
8 |
| http://www.slideserve.com |
5 |
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7 |
| http://www.slideboom.com |
6 |
| http://www.secure.filecloud.io |
0 |
| http://www.scribd.com |
8 |
| http://www.rapidshare.com |
5 |
| http://www.powershow.com |
4 |
| http://www.myplick.com/ |
4 |
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4 |
| http://www.mediafire.com |
7 |
| http://www.letitbit.net |
5 |
| http://www.issuu.com |
9 |
| http://www.hotfile.com |
5 |
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3 |
| http://www.fliiby.com |
4 |
| http://www.filestube.com |
5 |
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5 |
| http://www.en.calameo.com |
6 |
| http://www.edocr.com |
5 |
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4 |
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7 |
| http://www.datafilehost.com |
5 |
| http://www.crocko.com |
4 |
| http://www.calameo.com/ |
7 |
| http://www.box.net/ |
7 |
| http://www.bookmarkposts.com |
0 |
| http://www.authorstream.com |
6 |
| http://www.4shared.com |
6 |
| http://www.2shared.com |
6 |
