That whole refer a friend thing must be working. Or maybe it isnt. Either way, Dropbox has felt the need to double the extra capacity you get as a reward for persuading your buddies that cloud storage really is 153x better than a USB stick. For each successful referral, youll now get 500MB up to a maximum of 16GB. Pro users will get 1GB per referral up to a limit of 32GB. Get in there quick before someone else in your gang starts promoting Google Drive and its rumored document editing capabilities.

via Dropbox doubles referral rewards, offers up to 32GB for those dripping in charisma — Engadget.