Online storage are great for sharing files with families and friends, keeping documents in sync between all of your devices.
Google Drive is a cloud storage service offered by Google. Each new user gets 15 GB of free space to allow you to upload, share and access your files on any device from anywhere in the world. Google accounts are free to create.
Dropbox users start off with 2 GB basic account with several simple ways of earning more, up to around 18 GB by referring others to Dropbox.
You can view and upload all your Dropbox files from a desktop or mobile app and share whole folders with anyone, even if they don’t have a Dropbox account.
OneDrive (previously called SkyDrive) is an online storage service from Microsoft. Everyone gets 5 GB of free space when they sign up. Extra Space can be awarded if you follow certain steps, like friend referrals and mobile photo syncing.
OneDrive supports sharing both folders and files with non-registered users. A permission can be set to only allow viewing or to allow full editing.