How to Improve Conference Name Badges

Matt Cutts thinks he can improve the typical conference's name badge. He breaks it down in this drawing:

2-Sided is a pretty good idea since they do tend to flip around.

However, Dan Grisby has proposed a different solution to the flipping problem that may work equally as well: Use two holes. If the badge has holes punched on each corner rather than a single hole in the middle, the spaced lany...