The following table presents our significant expense categories included in our reported measure of segment profitability for the periods presented (in millions):


	Year Ended December 31,
	2024		2023		2022
Revenue	$	2,236	$	1,945	$	1,958
Less:
Headcount-related expenses, excluding share-based compensation	1,110		993		906
Share-based compensation	448		451		433
Depreciation and amortization	240		187		150
Marketing and advertising costs	194		155		165
Direct product and service costs	184		144		133
Third-party professional service fees	70		75		75
Facility expenses	28		59		47
Impairment and restructuring costs	6		19		24
Acquisition-related costs	1		4		—
Other items (1)	152		128		118
Loss from continuing operations	(197)		(270)		(93)
Gain (loss) on extinguishment of debt	(1)		1		—
Other income, net	127		151		43
Interest expense	(36)		(36)		(35)
Income tax expense	(5)		(4)		(3)
Loss from discontinued operations, net of income taxes	—		—		(13)
Net loss	$	(112)	$	(158)	$	(101)