Free wi-fi has arrived in hundreds more bank branches as HSBC moves to encourage customers to manage their accounts on smartphones. Some 650 hotspots will help customers download and use the bank's app, and start making payments by phone. However, security experts have warned users of public wi-fi to be careful. Europe's senior police officer dealing with cybercrime recently cautioned against sending sensitive data via public wi-fi because of hacking risks. HSBC's move comes after Barclays launched free wi-fi in its 1,600 branches early last year. HSBC said more customers were asking about how to bank on the move. Easy internet access will make branches more useful, it said.In particular, the bank plans to demonstrate the new Paym service, which will allow customers of most major banks to pay friends and businesses using just a mobile phone number...........Read more here