Goodwill and Intangible Assets, Net

6 Months Ended

Jun. 30, 2021

The following table presents goodwill activity (in thousands):


December 31, 2020	$	249,773
Goodwill acquired	776,147
Foreign currency translation	(9,846)
June 30, 2021	$	1,016,074

Intangible assets, net consisted of the following (in thousands):


	Weighted- Average Remaining Useful Life (Years)	As of June 30, 2021						As of December 31, 2020
		Gross Carrying Value		Accumulated Amortization		Net Book Value		Gross Carrying Value		Accumulated Amortization		Net Book Value


Long-lived intangible assets:
Apps	5.3	$	1,718,938	$	(355,652)	$	1,363,286	$	1,222,417	$	(232,832)	$	989,585
Customer Relationships	11.8	153,103		(2,481)		150,622		—		—		—
User base	4.8	68,817		(22,493)		46,324		68,817		(17,617)		51,200
License asset	0.4	28,551		(19,662)		8,889		28,551		(10,918)		17,633
Developed technology	5.6	91,101		(13,441)		77,660		14,946		(8,489)		6,457
Other	6.6	32,718		(3,830)		28,888		23,321		(1,864)		21,457
Total long-lived intangible assets		2,093,228		(417,559)		1,675,669		1,358,052		(271,720)		1,086,332
Short-lived intangible assets:
Apps	0.4	36,908		(33,989)		2,919		29,869		(25,599)		4,270
Total intangible assets		$	2,130,136	$	(451,548)	$	1,678,588	$	1,387,921	$	(297,319)	$	1,090,602

As of June 30, 2021 and December 31, 2020, short-lived mobile Apps were included in prepaid expenses and other current assets.

The Company recorded amortization expenses related to acquired intangible assets as follows (in thousands):