Chase customers have been depositing checks via iPhones for months now, but from today millions of PayPal users will never have to go to the bank again. Well, other than to steal pens or use their toilet.

Yeah I know, checks—antiquated money-form. I closed a bank account recently, and they sent me a check with the remaining balance—but £2.16 just doesn't seem worth the effort involved. If I banked with Chase, though...