Imagine you visit someone of your past, a friend of your childhood, someone you really care for, a person that represents something important for you. You can bet you’ll have lots of things to talk about. You will have to update the friendship, if you know what I mean.
Update it from the last time you saw each other, that is, bring to the present day all the information from both of you... Where have you been, what have you done, where have you live (and with whom), what have you become (a lawyer, a policeman, an architect, a banker). Once you update each other’s ‘biography’ you’ll be in front of a new person; someone that is still your old friend, but that has changed just in front of your eyes, while you were listening to what he or she had to tell. Now that you know the news of your friend, that you’ve heard what he or she did in the last years, you understand what to update means.
But in modern life, there are lots of things that you shall update and which if you don’t, would have a bit of trouble. Some things you shall always update: your anti-virus. If you’re not the lucky owner of a MacBook, and have to do your homework over a very ordinary PC, you better update that old anti-virus of yours.
