This comes up often. I took it upon myself to write it out without too many technical details. You can see it here (in particular, the section about uploading a

This comes up often. I took it upon myself to write it out without too many technical details. You can see it here (in particular, the section about uploading and syncing files): http://crypto.stanford.edu/~ananthr/dropbox/ http://crypto.stanford.edu/~ananthr/dropbox/