Heres a list of sites that are offering free space to store and share data
MediaMax offers 25 GB of free space to upload and share the data.

https://www.mediamax.com/Brands/MediaMax/home/signup.aspx
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Offers 5 Gb of free sharing and uploading space. Interface is good.
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- Back up your valuable files - your music, photos and more - automatically.
- Conveniently access all your files from anywhere.
- Easily share your files with friends and family.
- Get 5GB for Free!
Visit : www.xdrive.com
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Then there is the
Omnidrive allows 5 gb of data storage space with a good and user friendly front end.
http://www.omnidrive.com/
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Got stuff to share? Give it a home on eSnips and expect the unexpected!
Yes, the esnips interface is more for the multimedia stuff where as rest others are like a common explorer kind of interfaces making it easier for the users to share and store the data.
www.esnips.com
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