You're filling out an online survey via Facebook, and the very first question asked is: Strange question, you think, but you dutifully tick all the boxes. After all, who wouldn't like to achieve all those things. Though you acknowledge it's unlikely you will. The next question makes you frown a bit: Please place your previous selection in the order of their priority to you, 1 being highest priority, and so on. Hmm, you hesitate, but decide it's not so hard. Satisfied that your priorities exhibit a well rounded maturity of thought, you hit continue and a window appears reading, Please be patient, Facebook is now comparing your responses to your latest Behavioural Profile. This may take a few minutes. Behavioural Profile? What's that all about? But before you can consider the message further, the window disappears to be replaced by another. And your jaw drops. It reads, Due to inconsistencies between priorities selected and current lifestyl...