The irony is that BrandonM's classic HN comment makes more sense these days, as Dropbox continues its evolution towards Microsofthood. Increasingly, using Dropbox means putting up with an unceasing deluge of product promotions while you're trying to get your work done. No such annoyances with rsync and ftp and the like.

Just last week, Dropbox unilaterally decided I didn't want local copies of the shared files on my laptop, which made for some awkwardness inside a secured facility with no Internet access.