Facebook, Twitter, IM and several other potential time-wasters are things that creep into our days whether we're supposed to be working or not. Does that make them bad? Should they be banned from the office altogether, or is banning them a terrible idea?
Do you think it's better to block distracting software and websites from work or allow them to be used? Do they have any useful purpose? Tell us what you think in the comments, and defend your position. If you're so inclined, feel free to play devil's advocate and argue the opposite, too. Let's have a debate!