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Disclosure - Basis of Presentation and Summary of Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 0000011 - Disclosure - Marketable Securities link:presentationLink link:calculationLink link:definitionLink 0000012 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 0000013 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 0000014 - Disclosure - Acquisitions, Intangible Assets and Goodwill link:presentationLink link:calculationLink link:definitionLink 0000015 - Disclosure - Accrued Expenses and Other Current Liabilities link:presentationLink link:calculationLink link:definitionLink 0000016 - Disclosure - Convertible Senior Notes link:presentationLink link:calculationLink link:definitionLink 0000017 - Disclosure - Commitments and Contingencies link:presentationLink link:calculationLink link:definitionLink 0000018 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 0000019 - Disclosure - Revenue link:presentationLink link:calculationLink link:definitionLink 0000020 - Disclosure - Stockholders' Equity link:presentationLink link:calculationLink link:definitionLink 0000021 - Disclosure - Interest Income and Other Income, Net link:presentationLink link:calculationLink link:definitionLink 0000022 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 0000023 - Disclosure - Net Loss Per Share link:presentationLink link:calculationLink link:definitionLink 0000024 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 0000025 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 0000026 - Disclosure - Marketable Securities (Tables) link:presentationLink link:calculationLink link:definitionLink 0000027 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 0000028 - 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Disclosure - Net Loss Per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 0000038 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000039 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Long-lived Assets Estimated Useful Lives (Details) link:presentationLink link:calculationLink link:definitionLink 0000040 - Disclosure - Marketable Securities - Summary of Available-for-sale Marketable Securities (Details) link:presentationLink link:calculationLink link:definitionLink 0000041 - Disclosure - Marketable Securities - Summary of Fair Values of Available-for-Sale Marketable Securities, by Remaining Contractual Maturity (Details) link:presentationLink link:calculationLink link:definitionLink 0000042 - Disclosure - Fair Value Measurements (Details) link:presentationLink link:calculationLink link:definitionLink 0000043 - Disclosure - Property and Equipment, Net - Components of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000044 - Disclosure - Property and Equipment, Net - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000045 - Disclosure - Acquisitions, Intangible Assets and Goodwill - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000046 - Disclosure - Acquisitions, Intangible Assets and Goodwill - Schedule of Intangibles, Net (Details) link:presentationLink link:calculationLink link:definitionLink 0000047 - Disclosure - Acquisitions, Intangible Assets and Goodwill - Schedule of Future Amortization Expense (Details) link:presentationLink link:calculationLink link:definitionLink 0000048 - Disclosure - Acquisitions, Intangible Assets and Goodwill - Schedule of Changes in Carrying Amount of Goodwill (Details) link:presentationLink link:calculationLink link:definitionLink 0000049 - Disclosure - Accrued Expenses and Other Current Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000050 - Disclosure - Convertible Senior Notes - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000051 - Disclosure - Convertible Senior Notes - Summary of Net Carrying Amount of Liability Component of 2025 Notes (Details) link:presentationLink link:calculationLink link:definitionLink 0000052 - Disclosure - Convertible Senior Notes - Interest Expense related to 2025 Notes (Details) link:presentationLink link:calculationLink link:definitionLink 0000053 - Disclosure - Commitments and Contingencies (Details) link:presentationLink link:calculationLink link:definitionLink 0000054 - Disclosure - Leases - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000055 - Disclosure - Leases - Summary of Components of Lease Cost Recognized (Details) link:presentationLink link:calculationLink link:definitionLink 0000056 - Disclosure - Leases - Summary of Supplemental Cash Flow Information and Non-cash Activity (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Leases - Summary of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000057 - Disclosure - Leases - Summary of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 0000058 - Disclosure - Leases - Summary of Weighted Average Remaining Lease Term and Discount Rate (Details) link:presentationLink link:calculationLink link:definitionLink 0000059 - Disclosure - Revenue - Schedule of Revenue by Geographic Area (Details) link:presentationLink link:calculationLink link:definitionLink 0000060 - Disclosure - Revenue - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Revenue - Revenue, Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 0000061 - Disclosure - Revenue - Revenue, Remaining Performance Obligation (Details) link:presentationLink link:calculationLink link:definitionLink 0000062 - Disclosure - Stockholders' Equity - Additional Information (Details) link:presentationLink link:calculationLink link:definitionLink 0000063 - Disclosure - Stockholders' Equity - Summary of Reserved Shares of Common Stock for Future Issuance (Details) link:presentationLink link:calculationLink link:definitionLink 0000064 - Disclosure - Stockholders' Equity - Summary of Fair Value Assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 0000065 - Disclosure - Stockholders' Equity - Summary of Stock Option Activity and Weighted Average Exercise Prices (Details) link:presentationLink link:calculationLink link:definitionLink 0000066 - Disclosure - Stockholders' Equity - Summary of Activity for Unvested RSUs (Details) link:presentationLink link:calculationLink link:definitionLink 0000067 - Disclosure - Stockholders' Equity - 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