This is possibly the least technically advanced and least useful wallet innovation ever, but someone might find it of use to remind them when they’ve run out of cash.
O2 have launched the O2 Wallet app, which allows you to send money to your friends and shop on the go with a built-in price comparison tool.
PayPal is set to demonstrate its new mobile wallet at SXSW.
Google have produced a promo video for Google Wallet, showing it in action in a few stores in New York and San Francisco.
Google Wallet, which we first talked about at the end of May, has finally been launched.