This may not be the UK operators first attempt at dipping its fingers logo into your pockets, but O2's new mobile wallet does bring with it some de rigeur functionality. Taking a leaf out of Barclays' book, the new app lets you send "Money Messages," essentially text-driven money transfers to any phone number. There's smart-shopping features, too, such as a barcode reader for price comparisons, and daily discount deals to stop the well from going dry too soon. Interestingly, you can also
