Internet users at home and at work ranked 25 of the top parent companies and stickiest brands. Nielsen//NetRatings tracked the brands with the highest number of unique visits and time spent on their sites.

Microsoft registered the highest unique audience while Time Warner engaged users for an average of close to five hours. The number of unique users and time per person increased for most corporations holding the top 25 rank. Microsoft maintained the top position, but increased its number of unique visitors from 112.6 million in April to 114.3 million in May. In the same time period, hours spent increased from 2:00:15 to 2:06:28.