And if you disagree with that premise, you haven't tried buying a new subway pass lately. (inc.com)
She also does knitted clocks, subway pass holders and cushions. (treehugger.com)
Each title has an RFID card embedded in the back cover that comes loaded with enough credit for 10 rides, which means that reader can simply scan their books at the turnstyle just like a normal subway pass. (goodereader.com)