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SEGMENT AND GEOGRAPHICAL INFORMATION
 9 Months Ended
Sep. 30, 2019
Segment Reporting [Abstract]  
SEGMENT AND GEOGRAPHIC INFORMATION SEGMENT AND GEOGRAPHICAL INFORMATION
Operating segments are defined as components of an enterprise for which discrete financial information is available that is evaluated regularly by the chief operating decision maker (CODM) for purposes of allocating resources and evaluating financial performance. The Company’s CODM is the chief executive officer who reviews financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance. As such, the Company’s operations constitute a single operating segment and one reportable segment.
Revenue
Revenue by geography is based on the billing addresses of the sellers or customers. The following table sets forth revenue by geographic area (in thousands):

 
Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2019
 
2018
 
2019
 
2018
Revenue
 
 
 
 
 
 
 
United States
$
1,200,488

 
$
838,149

 
$
3,233,432

 
$
2,255,657

International
65,986

 
43,959

 
166,639

 
109,992

Total net revenue
$
1,266,474

 
$
882,108

 
$
3,400,071

 
$
2,365,649



No individual country from the international markets contributed in excess of 10% of total revenue for the three and nine months ended September 30, 2019 and 2018.

Long-Lived Assets
The following table sets forth long-lived assets by geographic area (in thousands):
 
September 30,
2019
 
December 31,
2018
Long-lived assets
 
 
 
United States
$
570,273

 
$
471,970

International
11,198

 
9,239

Total long-lived assets
$
581,471

 
$
481,209