tekgoblin writes "Dropbox confirmed today that for some time yesterday, any users account was accessible without a password. The glitch was a programming error related to a code update and accounts were only vulnerable from around 1:54 pm PST to 5:46pm PST." Link to Original Source
"The algorithm to do that is extremely nasty. You might want to mug
someone with it."
-- M. Devine, Computer Science 340