Looks like they didn't previously have the 'sign up' form: http://web.archive.org/web/20121209045623/https://www.dropbox.com/ http://web.archive.org/web/2012120

Looks like they didn't previously have the 'sign up' form: http://web.archive.org/web/20121209045623/https://www.dropbox.com/ http://web.archive.org/web/20121209045623/https://www.dropbo...