Well I do use it, and it's a damn sight more convenient than finding my credit card and reading glasses, entering a sixteen-digit number, then the expiry date, then the CCV number, then waiting for a security code via text message, then entering it in the little box, then waiting...

One man's meat is another fat-fingered man's poison. If I avoided everything that I should avoid on principle, I'd be sitting in a cave right now chewing on mammoth blubber.