Well, just a few days ago I was trying the new system in our apartment complex where we can use a credit card to add value to the smart card that is used in the

Well, just a few days ago I was trying the new system in our apartment complex where we can use a credit card to add value to the smart card that is used in the local washer and drier systems. I had to type in the url to get it going. Well, I used the smartphone keyboard and got it in with a minimal number of typos which I quickly corrected, but you know what? If they had a QR code that I could scan, it would be just a couple of taps and a couple of seconds and much, much more convenient.