Tools that claim to keep you connected to friends and family are obviously useless unless your friends and family also utilize them.

FORBES: Game Over. Here's Why Facebook Wins

Suppose you are like me, and once you fire up your laptop to check your email, you are in danger of spending the whole morning on the Net, doing increasingly useless things.

WSJ: How to Be a Better Procrastinator

It is useless to discuss or to consider a no-fly zone unless you are thinking beyond it, unless you are already then starting to plan.

CNN: Mortar shells hit Damascus college; deaths reported

Because if you are strong and successful as an animal, you can afford to invest energy in such a useless thing.

FORBES: On The Cover/Top Stories

When are you deemed old enough to know what it is you would like to study and don't get useless figures shoved down your throat by people who seem to think that everyone in the world cares about politics and economics so they all will study it, regardless of whether they are studying art?

BBC: The A-level student