Genius! Passing information along in a backchannel like team pennants is amazing work. I wish I'd thought of it myself. I think I'm going to adapt this to conveying hacking underground information via online video games. Hmm.
It's strange how much people get into these sporting events, but the amount of information conveyed by these simple pennants is kind of impressive. The length people will go to in order to earn an illicit buck -