This electronic pass card allows me to ride the MTR trains. I can use it on both the green minibuses and the doubledecker buses. I can use it to take one of Hong Kong's many ferries. It also gets me on Hong Kong's tram.
Every time I swipe it, not only does this card know exactly how much to deduct, it dislpays how much I have left on my card. In fact, my Octopus card even lets me run a deficit of a couple of bucks. Nice.
If I drove a car in Hong Kong, I could use the card to to pay the parking meters.
But wait, it gets better. I can also use my Octopus card in both 7-Eleven and Park-N-Shop. No cash? No problem. Grab a Coke Lite with lemon, swipe, ding, and I'm good to go. Nice.
Even the guy in the Mr. Softee ice cream truck accepts the Octopus card.
Nice.
-Jack