Originally Posted by Points Scrounger

The few places in London that didn't take contactless were actually rather snippy about it: "You can't use that​​​ ​​​here​​​​​​!" (when brandishing my phone). A waiter and a cab driver were rather aggressive about contactless tipping (more or less: "Don't skip the tip!") Sometimes there were tip screens, sometimes not. No DCC the couple of times I inserted.

I did witness someone's phone failure at the Tube gates once; I used my Amex card itself as Oyster.