As well as using it to call international numbers, I also use it for Wifi access at some airports. No doubt I could do both more cheaply another way, but I do

As well as using it to call international numbers, I also use it for Wifi access at some airports. No doubt I could do both more cheaply another way, but I do them both so rarely that Skype just already being there "and just working" is great. I pay at most £20 / year.