What does fragmentation mean? How does it happen? Can you fix it with fill factor? Should you rebuild your indexes to fix it?
At the SQLBits conference, I tried a new way of explaining it using markers and pieces of whiteboard paper as database pages, and doing inserts live on the fly.
What you see onscreen is actually what the in-person audience saw up on the projector. Prior to the session, I rigged up a tripod and camera aimed down at the desk so the audience could watch me work.
I had so much fun with this