Just caught myself doing the four tap pattern that The Master was doing in Doctor Who. It made me wonder if you do something very unique like that in public, how long would it take before someone recognized it for what it was.
Are you The Master?? - Amit Patel
I've caught myself doing that at times. no ones noticed, at least that I know of. :) - ellbeecee
I knocked on a door at work like that and it was recognized. - bentley