I frequently pay at the pump at the local gas station. The other day I noticed that the wear pattern on the pump’s PIN pad shows distinct wear on the 0 and Enter keys (see photo). My guess is that people are frequently choosing 0000 as their PIN number. Hopefully, I’m wrong.
![Is 0000 the most common pin number? Is 0000 the most common pin number?](http://www.ismay.ca/wp-content/uploads/2011/10/wpid-IMAG0062-11.jpg)
Is 0000 the most common pin number?