Using this case as a guide, Dropbox would be "laundering" money to Amazon and everyone at Dropbox would be arrested and charged with felony money laundering and face 20 years in prison.
"The indictment charges the defendants with conspiring to launder money by paying users through the sites’ uploader reward program and paying companies to host the infringing content."
"The indictment charges the defendants with conspiring to launder money by paying users through the sites’ uploader reward program and paying companies to host the infringing content."