London had the most Wi-Fi user activity among cities worldwide during the second half of 2006, according to a report published by network access provider iPass. It also found a 74 percent increase in the number of European Wi-Fi sessions by enterprise customers during the same period.

The iPass Wi-Fi Hotspot Index summarises data collected by the company regarding customer activity. The firm offers an enterprise service that allows mobile users to access Wi-Fi hotspots and other networks in 68 countries around the globe.

The figures show that London had over 11,000 iPass Wi-Fi sessions during the period July to December 2006, more than twice as many as the next highest city, Singapore. The report does not include corporate networks, but publicly accessible hotspots.

For the UK as a whole, Wi-Fi use grew by an impressive 75 percent between the first and second half of the year, according to iPass. The United States was the country with the most Wi-Fi sessions during the period.

"2006 was a fantastic year for Wi-Fi hotspots, with strong worldwide and European growth. User education has been a driving factor as people began to see the benefits of getting connected wherever they go," said Doug Loewe, Vice President & Managing Director for iPass in Europe.