I was in the Apple store today. Next to me at the genius bar was a nice couple with their computer which seemed to be having problems with its hard drive. "Do you have a complete back-up?" asked the Apple genius. "Not really," they said. He said, "That might make it hard or impossible to retrieve your files. Moreover, Apple is not able to help retrieve such lost files." That's why everyone says it's really important to back up things on their digital devices all the time. Click here to see an article explaining how.