comScore Ad Focus Ranking (U.S.)

September 2007

Total U.S. - Home, Work and University Locations

Unique Visitors (000)

Source: comScore Media Metrix

Rank

Property

Unique Visitors (000)

Reach %

Rank

Property

Unique Visitors (000)

Reach %

Total Internet : Total Audience

181,858

100%

1

Advertising.com**

160,166

88%

26

Vibrant Media**

68,644

38%

2

Yahoo!

133,957

74%

27

AdDynamix.com**

68,481

38%

3

ValueClick**

133,507

73%

28

MYSPACE.COM

68,449

38%

4

Specific Media**

130,716

72%

29

EBAY.COM

67,124

37%

5

Tribal Fusion**

129,615

71%

30

Gorilla Nation Media

65,250

36%

6

Google Ad Network**

123,352

68%

31

Undertone Networks**

56,304

31%

7

Google

122,107

67%

32

PrecisionClick**

54,864

30%

8

Blue Lithium**

118,684

65%

33

MSN.COM Home Page

54,161

30%

9

AOL Media Network

111,411

61%

34

Ask Network

51,723

28%

10

Casale Media Network**

111,066

61%

35

Mapquest

50,031

28%

11

Traffic Marketplace**

109,856

60%

36

YOUTUBE.COM

47,486

26%

12

DRIVEpm**

105,926

58%

37

Business.com Network

44,738

25%

13

MSN-Windows Live

104,578

58%

38

AMAZON.COM

44,224

24%

14

YAHOO.COM Home Page

94,124

52%

39

Kontera**

42,461

23%

15

24/7 Real Media**

91,493

50%

40

EBAY.COM Home Page

39,534

22%

16

Tremor Media

90,432

50%

41

ABOUT.COM

38,751

21%

17

AOL

90,297

50%

42

FACEBOOK.COM

30,601

17%

18

Interclick**

81,732

45%

43

WEATHER.COM

27,526

15%

19

Burst Media**

81,412

45%

44

Real Cities Network

25,879

14%

20

adconion media group**

77,732

43%

45

CNN

24,622

14%

21

Centro

77,427

43%

46

WALMART.COM

24,394

13%

22

Collective Media**

75,276

41%

47

ESPN

24,168

13%

23

AdBrite**

73,569

40%

48

CareerBuilder Network

23,299

13%

24

ContextWeb**

72,981

40%

49

Nick Kids & Family

22,852

13%

25

CPX Interactive**

70,242

39%

50

Yellowpages.com Network

22,808

13%