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No authoritative reference available. No authoritative reference available. The net change during the reporting period in the aggregate amount of expenses incurred but not yet paid, or in other operating obligations not otherwise defined in the taxonomy. No authoritative reference available. The difference between the sale price or salvage price and the book value of a property, plant, and equipment asset that was sold or retired during the reporting period, or the charge against earnings resulting from the aggregate write down of all assets from their carrying value to their fair value. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. The current period expense charged against earnings resulting from the aggregate write down of intangible assets acquired in a business acquisition. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. 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No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. No authoritative reference available. Aggregate carrying amount, as of the balance sheet date, of prepaid expenses, or amounts paid in advance for capitalized costs that will be expensed with the passage of time, and current assets not separately presented elsewhere in the balance sheet. Prepaid expenses and other current assets are expected to be realized or consumed within one year. No authoritative reference available. Payroll and related expenses for software and manufacturing engineering, content development, amortization of capitalized software and website development costs, information technology operations, hosting of our websites, asset depreciation, patent amortization, legal settlements in connection with patent-related claims, and miscellaneous technology infrastructure-related costs. 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