New York - Nearly 80% of adult online consumers have made a purchase on the Internet over the past six months, according to a new study by Nielsen Online.

New York - With Americans set to cast their votes for president on Tuesday, new figures from Internet audience measurement firm Nielsen Online show that visitors to the website of Democrat Barack Obama have outpaced those to the site of Republican John McCain by a nearly 2-1 margin.

New York - Buoyed significantly by the Beijing Olympics and the kick-off of football season, online sports destinations saw a 26% increase in unique visitors at work during August, according to New York-based Nielsen Online.

New York - The Nielsen Company on Monday announced the launch of two new services, Nielsen Online and Nielsen Mobile, which organize the company's existing and recently acquired assets into two distinct units. Nielsen Online is comprised of the company's Nielsen/NetRatings and BuzzMetrics services, which measure ads, video, blogs, user-generated media, word-of-mouth, commerce and consumer behavior. The group will be led by former BuzzMetrics executive chairman Itzhak Fisher. Nielsen Mobile combines Telephia, the recently acquired mobile research firm, with several existing Nielsen mobile initiatives; the unit will be led by former Telephia CEO Sid Gorham.