Home » BBC News - Technology » technology news » Smart Wallet Card shows adverts from banks at MWC 2018 Smart Wallet Card shows adverts from banks at MWC 2018 Unknown 5:56 PM BBC News - Technology technology news The data-transmitting device stores multiple payment card details and can send and receive messages. from BBC News - Technology http://ift.tt/2F8pOqv Share: Facebook Twitter Google+ StumbleUpon Digg Delicious LinkedIn Reddit Technorati