If you look at someone while you’re stroking your chin, they may assume that you’re making a judgmental decision about them.

Before you so much as hit the space bar, call up a friend, preferably a technically inclined one, and try to describe what happened.

There is certainly math behind it, but typically when you are knapping like this, it's more experience and intuition.

Because, for all the knocks we've taken, despite all the challenges we face, this is still the greatest country on earth.

These so-called avatars shop in malls, buy property, hang out with friends or sit "home" watching TV, all manipulated by their real-life counterparts with computer key strokes and a mouse.