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Intangible Assets from Acquisitions

9 Months Ended

Sep. 30, 2012

Intangible Assets from Acquisitions [Abstract]

(11) Intangible Assets from Acquisitions

Intangible assets from acquisitions consisted of the following (in thousands):


	As of December 31, 2011
	Gross Carrying Amount		Accumulated Amortization(1)			Net
Advertiser relationship	$	3,070	$	(897	)	$	2,173
Patents		318		(232	)		86
Distribution partner relationship		4,830		(1,177	)		3,653
Non-compete agreements		58		(43	)		15
Trademarks/domains		40,539		(40,130	)		409
Acquired technology		2,760		(1,008	)		1,752

	$	51,575	$	(43,487	)	$	8,088


	As of September 30, 2012
	Gross Carrying Amount		Accumulated Amortization(1)			Net
Advertiser relationship	$	3,070	$	(1,818	)	$	1,252
Distribution partner relationship		4,830		(2,384	)		2,446
Acquired technology		2,760		(2,044	)		716

	$	10,660	$	(6,246	)	$	4,414

(1)	Excludes the original cost and accumulated amortization of fully-amortized intangible assets which were $42.6 million and $82.2 million at December 31, 2011 and September 30, 2012, respectively.

Amortizable intangible assets are amortized on a straight-line basis over their useful lives. Amortization expense incurred by the Company was approximately $1.7 million and $1.1 million for the three months ended September 30, 2011 and 2012, respectively, and was $3.8 million and $3.7 million for the nine months ended September 30, 2011 and 2012, respectively. Based upon the current amount of intangible assets subject to amortization, the estimated amortization expense for the next five years is as follows: $1.1 million for the remainder of 2012, $2.9 million in 2013, $433,000 in 2014 and $0 thereafter.