A US company has developed a new USB memory drive that is the size of a credit card and just millimetres thick.

The new device, called Wallet Flash will cost around £70 and be available in the UK later in the year.

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The world's first creditcard-sized Wallet Flash drive has been launched allowing users to store date in their wallets rather than their pockets.

Called the Wallet Flash 1.1, the slim-line device features a double-sided connector to fit into...