You're not alone. I think this is a serious problem for Dropbox. When people reach their quota they have the following options: 1. Pay up and upgrade; 2. Spam f

You're not alone. I think this is a serious problem for Dropbox. When people reach their quota they have the following options: 1. Pay up and upgrade; 2. Spam friends to get more credits; 3. Sign up for another service, FOR FREE. We all know what's the easiest to do.