Segment Information

9 Months Ended

Oct. 31, 2017

Our chief operating decision maker is a group which is comprised of our Chief Executive Officer, our Chief Financial Officer, and our President. This group reviews financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance. We have one business activity and there are no segment managers who are held accountable for operations or operating results. Accordingly, we have a single reportable segment.

The following table sets forth revenue by geographic area based on the billing address of our customers (in thousands):



	Three Months Ended October 31,				Nine Months Ended October 31,
	2016		2017		2016		2017
United States	$	152,134	$	192,977	$	385,464	$	504,937
Rest of the world	44,822		84,697		114,653		179,829
Total revenue	$	196,956	$	277,674	$	500,117	$	684,766

Long-lived assets by geographic area are summarized as follows (in thousands):



	As of January 31, 2017		As of October 31, 2017
United States	$	78,692	$	80,387
Rest of the world	3,003		3,877
Total long-lived assets	$	81,695	$	84,264