There is not much clarity in where the online backup providers store the data, mostly on a secure data centre for which physical location is seldom known. It is still a question whether the service provider has implemented the necessary security control to handle the risk associated with data stored. Most Cloud backup services use encryptions which are similar to the ones used in banks but very little is known about the type of encryption used, how encrypted data is stored and the length of applicable keys. The users should ascertain the credibility of the service provider before using their services for backing critical data. So you should use the advantages of cloud backup very carefully.
Using hand held applications and different websites. You can estimate the Coventry taxi fares even before enquiring with taxi service. Things to put in mind is that the fare quoted by the service on their site and the actual fare may vary according to traffic congestion and busy days so it is recommended that one books with prior knowledge.