comScore Top 10 Gaining Properties by Percentage Change in Unique Visitors* (U.S.)

September 2007 vs. August 2007

Total U.S. Home, Work and University Internet Users

Source: comScore Media Metrix

Total Unique Visitors (000)

Aug-07

Sep-07

% Change

Rank by Unique Visitors

Total Internet : Total Audience

181,257

181,858

0

 N/A

Internet Brands, Inc.

2,742

7,424

171

127

HotChalk Network

3,315

6,379

92

150

GamesRadar Network

3,138

4,864

55

197

Liberty Media Holding Corporation

5,432

8,298

53

108

ABC.com

6,135

9,236

51

97

ImageShack.us

4,674

6,602

41

142

Pearson Education

8,633

11,563

34

78

Dictionary.com Sites

11,763

15,660

33

50

Reed Elsevier Group

3,738

4,888

31

195

Gemstar-TVGuide International, Inc.

4,339

5,627

30

177