Cubby is now offering 1GB of additional storage for free for every new user that you invite to the service.
This offer is available for five invites which means you can get an additional storage of 5GB in your account.
The company said:
Give your friends freedom from limitations, invite them to use Cubby. You’ll get 1GB for each person who signs up. It’s the easy way to double your storage – and our way of saying thanks to loyal beta testers. Already invited friends to try Cubby? Great, you’ll notice some extra gigs the next time you log in. Share the love and double your storage today with up to 5 invites.