I'm a cloud and data expert - here's my verdict on the best cloud storage services ... was a close match to Google Drive and the other top contenders. Other backup features, including disk image ...

Cloud services allow you to automatically sync ... both file/folder and full PC backup options. If you own an Android phone, Google offers 15GB of free storage shared with Gmail and Drive.

We look at storage supplier offerings available in the big three public clouds, their pros and cons, and key use cases.