Copy is the easiest way to store, protect and share amazing things. It keeps your computers in sync and your files available from anywhere, even on your mobile devices. With Copy, you can also easily share files with anyone publicly or privately.Copy for companies extends the cloud storage and sharing benefits into corporate environments with user and group management and added control of proprietary company data. It just like dropbox . It's in starting period .So you can get 15 GB of free space after signup and for refer it gives 5 GB more. For example : If you signup with my link you will get 15 GB + 5 GB = 20 GB and i will get 5 GB too. So what are you waiting for signup today before the offer expire.
Note: Don't forget to verify email address. Otherwise you will not get 5 GB more space.