Balance Sheet Components

Prepaid Expenses and Other Current Assets



	March 31, 2013		December 31, 2012
	(in thousands)
Intra-period deferred tax asset	$	26,841	$	—
Prepaid service contracts – current portion	5,331		5,771
Deferred costs	3,251		3,278
Prepaid marketing costs	2,812		503
Other prepaid expenses and current assets	5,854		5,716
	$	44,089	$	15,268

Intra-period deferred tax asset represents the cumulative income tax benefit recorded as of the balance sheet date, which will offset against taxes payable or become a component of deferred taxes on a full year basis.

Property and Equipment



	March 31, 2013			December 31, 2012
	(in thousands)
Computer and other equipment	$	138,396		$	135,181
Software	17,910			17,342
Leasehold improvements	14,800			11,009
Building construction-in-progress	9,088			6,372
Furniture and fixtures	4,511			4,075
Capitalized software and website development costs	52,724			49,013
	237,429			222,992
Less: Accumulated depreciation and amortization	(136,660		)	(130,325		)
Net property and equipment	$	100,769		$	92,667

Building construction-in-progress value of $9.1 million represents the estimated fair market value of a building under a build-to-suit lease of which the Company is the "deemed owner" for accounting purposes only. See "Note 5 - Commitments and Contingencies."

Depreciation and amortization expense totaled $9,227,000 and $6,011,000 for the three months ended March 31, 2013 and 2012, respectively.

Accrued Liabilities



	March 31, 2013		December 31, 2012
	(in thousands)
Accrued compensation	$	9,161	$	13,904
Accrued marketing expenses	6,261		21,371
Accrued production costs	6,145		22,534
Accrued fixed assets	2,919		1,554
Accrued consulting	2,582		4,200
Accrued other	7,308		24,909
	$	34,376	$	88,472