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Segment Reporting and Geographic Information
9 Months Ended
Sep. 30, 2012
Segment Reporting and Geographic Information [Abstract]  
Segment Reporting and Geographic Information

(6) Segment Reporting and Geographic Information

Operating segments are revenue-producing components of the enterprise for which separate financial information is produced internally for the Company’s management. For all periods presented the Company operated as a single segment, principally in domestic markets providing digital advertiser transaction services to enterprises.

Revenues from advertisers by geographical areas are tracked on the basis of the location of the advertiser. The vast majority of the Company’s revenue and accounts receivable are derived from domestic sales to advertisers engaged in various mobile, online and other digital activities.

 

Revenues by geographic region are as follows (in percentages):

 

                                 
    Nine months ended
September 30,
    Three months ended
September 30,
 
    2011     2012     2011     2012  

United States

    94     94     95     93

Canada

    5     6     5     7

Other countries

    *       *       *       *  
   

 

 

   

 

 

   

 

 

   

 

 

 
      100     100     100     100
   

 

 

   

 

 

   

 

 

   

 

 

 

 

* Less than 1% of revenue.