VIDEO INTERVIEW: Don Callahan, chief operations and technology officer with bank Citi, assesses the US bank’s experience of Google Wallet in a new video interview with Mobile World Live.  As one of its earliest partners, Citi has an insight into the progress of Google’s service to date.

In addition, Callahan describes how the bank is assessing a number of different technologies which enable customers to pay for goods and services with their mobile handsets.

Citi is also an active player in emerging markets, particularly in Latin America, and Callahan describes how the bank is offering services to the unbanked in those markets.  View the full video here.