I spend way too much time on the computer and not enough time playing the guitar. There's an underlying problem of this screen life taking over all of your life. It's easy to keep in touch with people, some of whom I wish I'd never kept in touch with. But there they are on Facebook! You can spend a lot of time on that when you should be doing something else.
Before you shake your head and murmur, "stars....they're just like us," consider another share from the interview. Twitter isn't as much of a time-suck for Jagger, because he pays people to tweet for him.
Check out the what Jagger does when he's not on the computer -- a music video for "Miracle Worker" from his new band Superheavy: