But now if you’re a student or educator with a .edu email address, you can get double the credits for referrals. That’s 500MB per friend you invite. With enough Dropbox space, you can nearly replace the local documents folder on your computer with your Dropbox account, which means accessing your content from any online computer.
Dropbox is a great tool for students who work between two or more computers. Plus, the file sharing features of Dropbox are useful for group projects in school.
To get more storage, you simply need to. Once your address is verified, your current Dropbox account storage will be doubled; for example, from 2GB of existing Dropbox space to 4GB after your .edu account is verified.
When you refer a friend and he or she actually signs up for a Dropbox account, your storage space will be doubled again. You can get up to 8GB of free space using the referral process.
If you don’t already have a Dropbox account, go referral process to invite your friends, using their email, and/or your Twitter and Facebook accounts.to get started. After you’re signed up, log into your account and link into the
Source: How-To Geek