Dropbox.

We use it to store files in a shared. That is:.

• 
  synchronization;.
  


• 
  versioning;.
  


• 
  safe storage;.
  


• 
  ability to recover after the removal;.
  


• 
  Share the free rassharivaniya;.
  


• 
  papochnaya structure.
  

In fact, the result is an ordinary folder on your computer, it just syncs with the server and with those your friends, colleagues with whom you are using a shared folder. It is more convenient than to exchange files via email, and even more convenient ( for me ) than Google Docs.

And all this for free, but limited in volume!.

register an account. here. The more you sign up, the more I have a chance to get an additional 250 MB, and then I have the materials business plan for a new project does not intermeddle )))) I say at once, and honestly, and then look at the link and decide that I'm secretly here on .