While grabbing a quick coffee from a well know chain, I noticed my Coffee Card had no credit on it. 
I keep my coffee card in my Apple Wallet app, on my iPhone, so I wondered could I top it up while waiting in the queue.
Well it turns out you can, I quickly transferred £10 pounds via apple pay from my current account registered in ApplePay to my coffee card and proceeded to buy a round of drinks. Quick easy and it entertained the geek in me.