THE whole world is watching the progress of London’s pioneering congestion charging scheme, which relies on video cameras and computers to recognise car number plates. We recently asked the organisers, Transport for London, a simple question: how do drivers change their payment details on the TfL computer?
TfL encourages electronic communication, so we sent a plain text email. Back came a prompt reply, unfortunately without an actual answer. Instead it contained the instruction to download a large HTML attachment containing the said answer.
Unskilled users often do not know how to download and open attachments, and some simple or mobile…
