Underground Wi-Fi, giant screens, advanced timing systems and cutting-edge sporting equipment
Firms must carry out audits to ensure their systems are 'not too open'
Increased visits during Games could bring official 2012 site to its knees
Preparation time too short, cloud infrastructure too immature says Gerry Pennell
Near-field communication payment trial at Olympics could attract fraudsters
Scientist Ray Kurzweil predicts never ending life within 20 years
Technological advances are ensuring things will never be the same again, writes V3 news editor Dan Worth
Websites are expecting huge volume of data during the London Games
No 'Wave and Pay' on the Tube until the end of 2013, as TfL misses its contactless payment pledge by a year