I just got an invite to Bitcasa today, so I used it to sign up and get my infinite storage and got 10 invites to share (below). Installed fine on both OSX (beta) and Windows (alpha), although I’d say the Windows installer needs cleaning up a bit, as it launches two separate installers (MS C++ redist and Doken). To upload your files to Bitcasa, you just right click a folder and select “Services > Cloudify this” on OSX: or Bitcasa Cloudify on Windows: They currently have a fairly…