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Ben Scholzen via flickr
Amazon
Capitalization: $ 198 billion
Active users: 270 million
The cost of a user: $ 733
Active users: 270 million
The cost of a user: $ 733
Alibaba
Capitalization: $ 217 billion
Active users: 350 million
The cost of a user: $ 621
Active users: 350 million
The cost of a user: $ 621
Ebay
Capitalization: $ 71 billion
Active users: 152 million
The cost of a user: $ 474
Active users: 152 million
The cost of a user: $ 474
Capitalization: $ 364 billion
Active users: 2 billion
The cost of a user: $ 182
Active users: 2 billion
The cost of a user: $ 182
Capitalization: $ 227 billion
Active users: 1.4 billion
The cost of a user: $ 158
Active users: 1.4 billion
The cost of a user: $ 158
hapidayss/flickr.com
Tencent
Capitalization: $ 196 billion
Active users: 2 billion
The cost of a user: $ 96
Active users: 2 billion
The cost of a user: $ 96
Capitalization: $ 24.4 billion
Active users: 302 million
The cost of a user: $ 81
Active users: 302 million
The cost of a user: $ 81
Justin Sullivan/Getty Images
Yahoo!
Capitalization: $ 42.2 billion
Active users: 600 million
The cost of a user: $ 70
Active users: 600 million
The cost of a user: $ 70
Capitalization: $ 24.9 billion
Active users: 364 million
The cost of a user: $ 69
Active users: 364 million
The cost of a user: $ 69
AP
Groupon
Capitalization: $ 4.5 billion
Active users: 160 million
The cost of a user: $ 28
Active users: 160 million
The cost of a user: $ 28
socialnewsdaily.com
Zynga
Capitalization: $ 2.8 billion
Active users: 100 million
The cost of a user: $ 28
Active users: 100 million
The cost of a user: $ 28
Yelp
Capitalization: $ 3.5 billion
Active users: 142 million
The cost of a user: $ 25
Active users: 142 million
The cost of a user: $ 25
