By Marcus Leach

An independent survey has found that 55 per cent of those questioned didn't support Boris Johnson's plans to introduce Wi-Fi to London underground stations ahead of the 2012 Olympics.

Transport for London (TfL) have invited tenders for the wireless connections, and a contract to the chosen bidder will be awarded before the end of 2011.

However, a survey conducted by, found that people were concerned with the privacy, due to possible access to personal data over unsecured Wi-Fi networks.

There was also concerns centring around theft, given there will be an increase in the number of laptops, tablets and smartphones used in stations.