Cloud storage is usually maintained by the specific host company and allows to stores the digital data in an online space that last for long time and can be available at any location. This service can be used by the availability of internet, you can access and store your data online only when internet service is available to you. There are many cloud storage providers like Dropbox, Microsoft office 365 and google drive etc. Some other media sharing applications like Instagram, Gmail, Hotmail, and YouTube also stores you data on the cloud.