By Daniel Hunter

American Express has launched a new ‘purchase via Twitter’ service for its US-based customers.

Users will be able to sync their Amex card to their Twitter account, and then they can start making purchases by putting hashtags in their tweets that correspond with special deals Amex is offering.

“Consumer comfort with mobile payments is on the increase and with most people already happy to share details of their online purchases across social networks, the concept of ‘social media shopping’ is something that is likely to start trending," Stephen Bonner, partner in KPMG’s Information Protection and Business Resilience team, commented.

“However, the caveat must be one of safety and security. Giving users 15 minutes to complete their transaction by sending a confirmation Tweet is certainly one option, as it limits the window of opportunity for account misuse. Yet the onus for security should not be laid squarely on the shoulders of Twitter or their e-commerce partners.

“Leaving Apps open on mobiles is a common mistake; it may not be visible on screen, but out of sight doesn’t always mean out-of-sync. Just as consumers are careful with their cash, they should take responsibility for protecting their social media accounts. The message must be ‘switch on to being switched off’.”

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