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Net Loss Per Share Attributable to Common Stockholders | 9 Months Ended
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Sep. 30, 2020
Earnings Per Share [Abstract] |
Net Loss Per Share Attributable to Common Stockholders | Net Loss Per Share Attributable to Common Stockholders We present net loss per share attributable to common stockholders using the two-class method required for multiple classes of common stock and participating securities. Holders of our Class A and Class B common stock have identical rights except with respect to voting, conversion and transfer rights and therefore share equally in our net losses. Prior to our IPO, we considered all series of our redeemable convertible preferred stock participating securities. We have not allocated net loss attributable to common stockholders to our redeemable convertible preferred stock because the holders of our redeemable convertible preferred stock are not contractually obligated to share in our losses. We calculate basic net loss per share attributable to common stockholders by dividing net loss attributable to common stockholders by the weighted-average number of shares of common stock outstanding during the period. Diluted net loss per share attributable to common stockholders gives effect to all potential shares of common stock, including common stock issuable upon conversion of our redeemable convertible preferred stock and redeemable convertible preferred stock warrants, stock options, RSAs, RSUs and common stock warrants to the extent these are dilutive. We calculated basic and diluted net loss per share attributable to common stockholders as follows (in thousands, except per share amounts):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019 |  |
| Class A |  | Class B |  | Class A |  | Class B |  | Class A |  | Class B |  | Class A |  | Class B |  |
Numerator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net loss attributable to common stockholders | $ | (75,035) |  |  | $ | (19,185) |  |  | $ | (38,702) |  |  | $ | (86,030) |  |  | $ | (242,731) |  |  | $ | (93,433) |  |  | $ | (336,971) |  |  | $ | (988,682) |  |  |
Denominator: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted-average shares used in computing net loss per share attributable to common stockholders, basic and diluted | 480,606 |  |  | 122,885 |  |  | 169,452 |  |  | 376,674 |  |  | 425,218 |  |  | 163,677 |  |  | 81,212 |  |  | 238,278 |  |  |
Net loss per share attributable to common stockholders, basic and diluted | $ | (0.16) |  |  | $ | (0.16) |  |  | $ | (0.23) |  |  | $ | (0.23) |  |  | $ | (0.57) |  |  | $ | (0.57) |  |  | $ | (4.15) |  |  | $ | (4.15) |  |  |
Basic net loss per share is the same as diluted net loss per share because we reported net losses for all periods presented. We excluded the following weighted-average potential shares of common stock from our calculation of diluted net loss per share attributable to common stockholders because these would be anti-dilutive (in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2020 |  | 2019 |  | 2020 |  | 2019 |  |
Redeemable convertible preferred stock | — |  |  | — |  |  | — |  |  | 127,642 |  |  |
Outstanding stock options | 35,226 |  |  | 76,334 |  |  | 44,659 |  |  | 76,447 |  |  |
Unvested restricted stock units and restricted stock awards | 63,695 |  |  | 63,738 |  |  | 64,353 |  |  | 72,961 |  |  |
Redeemable convertible preferred stock warrants | — |  |  | — |  |  | — |  |  | 103 |  |  |
Total | 98,921 |  |  | 140,072 |  |  | 109,013 |  |  | 277,153 |  |  |

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- Definition The entire disclosure for earnings per share. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=109243012&loc=SL65017193-207537 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -URI http://asc.fasb.org/topic&trid=2144383 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3630-109257 + Details
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