<p>Haha, I don't remember. It may not even have been on the application when I applied (I'm a senior at MIT this year... college applications were many moons ago for me).</p>
<p>They really do want you to be honest about what you do in your free time -- it doesn't have to be something like "trying to cure cancer" or "working toward world peace". (Matt McGann talks about how one of his favorite admits wrote that he(/she? can't remember) liked to daydream in his free time.)</p>