I very rarely use cash these days and, to be honest, find it much more convenient to buy on the phone and have the barcode scanned at Meadow Lane than mess about looking for cash machines and trying to park to use them etc. Just my 2p worth! I reckon contactless payment at the turnstile would be a great facility too. I also no longer have a printer as I don't ever seem to need one these days.
I must start keeping some cash at home though, as several times recently I've fancied a trip to our local here in the village where I live for a couple of pints and a game of darts... then remembered it is cash only. I therefore have to drive 4 miles each way to use a cash machine in order to nip out for a pint 500 yards away. Cash is still needed for some things it seems