Background Assignment: The Pen

I've been trying to get this effect for awhile now, and I've finally got it! Behold, the might of the pen.
This photo displays use of good background because all the focus is in the front. While you can make out shapes in the background, they are not overpowering.

This picture was taken in a College classroom while my parents were conversing with the teacher there. I was bored, so I decided to take some pictures, and voila!