Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Oct. 31, 2016	Jan. 31, 2016
Current assets:
Cash and cash equivalents	$ 152,461	$ 604,742
Marketable securities	365,785	0
Accounts receivable, net of allowance of $944 and $2,414 as of January 31, 2016 and October 31, 2016	163,038	126,324
Inventory	20,112	20,649
Deferred commissions, current	14,298	15,703
Prepaid expenses and other current assets	18,756	20,652
Total current assets	734,450	788,070
Property and equipment, net	82,088	52,629
Intangible assets, net	6,936	6,980
Deferred income taxes, non-current	1,074	536
Other assets, non-current	29,588	22,568
Total assets	854,136	870,783
Current liabilities:
Accounts payable	43,412	38,187
Accrued compensation and benefits	29,137	32,995
Accrued expenses and other liabilities	20,545	14,076
Deferred revenue, current	134,536	94,514
Liability related to early exercised stock options	3,967	4,760
Total current liabilities	231,597	184,532
Deferred revenue, non-current	141,849	121,690
Other liabilities, non-current	2,925	1,207
Total liabilities	376,371	307,429
Commitments and contingencies	0	0
Stockholders’ equity:
Preferred stock, par value of $0.0001 per share— 20,000 shares authorized as of January 31, 2016 and October 31, 2016; no shares issued and outstanding as of January 31, 2016 and October 31, 2016	0	0
Class A and Class B common stock, par value of $0.0001 per share— 2,250,000 (Class A 2,000,000, Class B 250,000) shares authorized as of January 31, 2016 and October 31, 2016; 190,509 (Class A 28,769, Class B 161,740) and 199,678 (Class A 75,320, Class B 124,358) shares issued and outstanding as of January 31, 2016 and October 31, 2016	20	19
Additional paid-in capital	1,237,012	1,118,670
Accumulated other comprehensive income	298	0
Accumulated deficit	(759,565)	(555,335)
Total stockholders’ equity	477,765	563,354
Total liabilities and stockholders’ equity	$ 854,136	$ 870,783