| Assets | — | — |
| Current assets | — | — |
| Cash and cash equivalents | 1,046,534a | 1,780,400a |
| Marketable securities | 2,329,745a | 1,763,680a |
| Accounts receivable, net of allowance | 1,348,472a | 1,278,176a |
| Prepaid expenses and other current assets | 182,006a | 153,587a |
| Total current assets | 4,906,757a | 4,975,843a |
| Property and equipment, net | 489,088a | 410,326a |
| Operating lease right-of-use assets | 530,441a | 516,862a |
| Intangible assets, net | 86,363a | 146,303a |
| Goodwill | 1,689,785a | 1,691,827a |
| Other assets | 233,914a | 226,597a |
| Total assets | 7,936,348a | 7,967,758a |
| Liabilities and stockholders’ equity | — | — |
| Current liabilities | — | — |
| Accounts payable | 173,197a | 278,961a |
| Operating lease liabilities | 24,885a | 49,321a |
| Accrued expenses and other current liabilities | 1,009,254a | 805,836a |
| Convertible senior notes, net | 36,212a | 0a |
| Total current liabilities | 1,243,548a | 1,134,118a |
| Long-term convertible senior notes, net | 3,607,717a | 3,749,400a |
| Operating lease liabilities, noncurrent | 575,082a | 546,279a |
| Other liabilities | 59,240a | 123,849a |
| Total liabilities | 5,485,587a | 5,553,646a |
| Stockholders’ equity | — | — |
| Class A non-voting common stock | 14a | 14a |
| Class B voting common stock | 0a | 0a |
| Class C voting common stock | 2a | 2a |
| Treasury stock, at cost | -460,620a | -479,903a |
| Additional paid-in capital | 15,644,132a | 14,613,404a |
| Accumulated deficit | -12,735,461a | -11,726,536a |
| Accumulated other comprehensive income (loss) | 2,694a | 7,131a |
| Total stockholders’ equity | 2,450,761a | 2,414,112a |
| Total liabilities and stockholders’ equity | 7,936,348a | 7,967,758a |