That is according to ScanSafe’s Global Threat Report on February 2007. Unproductive simply means that the sites visited are not in line with the work of the company. Unproductive sites include :
During sporting events like the Super Bowl and World Cup, gambling and sporting sites will top the list. ScanSafe saw a traffic increase of 77% in US based request to gambling and sporting sites during the week before Super Bowl.
The highly unnecessary Internet usage risks the company to exposure of :
Source: http://rangit.com/internet/unproductive-internet-usage-and-the-most-threatened-im-in-the-world/