I can't believe you people actually use or care about Dropbox. They are signing on with the NSA to assist in eavesdropping. If they take bitcoin directly, then they'll happily pass along your bitcoin sending addresses too. SpiderOak is a better choice as the data is encrypted before it leaves your machine.
Source on Dropbox working with NSA?
Top secret PRISM documents which were leaked by a whistleblower.
) 
