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This month's photo stories have featured some cutting-edge tech innovations - including driverless cars and bookshops crammed with RFID tech.
Above, a traveller on his way to the airport accesses the wi-fi now available on all Heathrow Express trains running to and from Paddington.
The service provides broadband access - at speeds of up to 2Mbps - to passengers on the 15 to 20 minute journey to the world's busiest international airport.
Find out how else business people can take advantage of the wi-fi service now being offered by the train company.
Photo credit: Gemma Simpson
