NEW YORK, NY -- (MARKET WIRE) -- 02/28/07 -- Nielsen//NetRatings (NASDAQ: NTRT) reports January 2007 data for the Top U.S. Search Providers.

Top search providers, ranked by total searches. Searches represent the total number of queries conducted at the provider.

Table 1: Top 10 Search Providers for January 2007,
Ranked by Searches (U.S.)

                                Searches        YOY     Share of
Provider                        (000)           Growth  Searches

Google Search                   3,862,374       40.6%   53.7%
Yahoo! Search                   1,629,995       28.8%   22.7%
MSN/Windows Live Search           642,694        2.5%    8.9%
AOL Search                        388,966        5.6%    5.4%
Ask.com Search                    132,800        1.2%    1.8%
My Web Search                      65,819        N/A     0.9%
Dogpile.com Search                 41,991       34.4%    0.6%
EarthLink Search                   36,604       34.1%    0.5%
Comcast Search                     32,001        N/A     0.4%
BellSouth Search                   30,824        N/A     0.4%

Source: Nielsen//NetRatings MegaView Search, February 2007

Example: An estimated 3.9 billion search queries were conducted at Google Search, representing 54 percent of all search queries conducted during the given time period.

About Nielsen//NetRatings

NetRatings, Inc. (NASDAQ: NTRT) delivers leading Internet media and market research solutions, marketed globally under the Nielsen//NetRatings brand. With high quality, technology-driven products and services, Nielsen//NetRatings is the global standard for Internet audience measurement and premier source for online advertising intelligence, enabling clients to make informed business decisions regarding their Internet and digital strategies. The Nielsen//NetRatings portfolio includes panel-based and site-centric Internet audience measurement services, online advertising intelligence, user lifestyle and demographic data, e-commerce and transaction metrics, and custom data, research and analysis. For more information, please visit www.nielsen-netratings.com.

Editor's Note: Please source all data to Nielsen//NetRatings.

Contact:

NetRatings, Inc.
Suzy Bausch
(408) 941-2965