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Intangible Asset, Net (Tables) | 12 Months Ended
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Dec. 31, 2017
Schedule of intangible assets and accumulated amortization |
|  | As of December 31, 2016 |
|  | Gross carrying value |  |  | Accumulated amortization |  |  | Accumulated impairment |  |  | Net carrying value |
|  | RMB |  |  | RMB |  |  | RMB |  |  | RMB |
Indefinite-lived: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade name and domain names |  |  | 2,161 |  |  |  | — |  |  |  | — |  |  |  | 2,161 |
Finite-lived: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Technology |  |  | 208,716 |  |  |  | (149,176 | ) |  |  | — |  |  |  | 59,540 |
Online game licenses |  |  | 69,198 |  |  |  | (26,622 | ) |  |  | (35,619 | ) |  |  | 6,957 |
Customer/supplier relationship |  |  | 94,160 |  |  |  | (31,759 | ) |  |  | — |  |  |  | 62,401 |
User base |  |  | 79,438 |  |  |  | (73,368 | ) |  |  | — |  |  |  | 6,070 |
Trademarks |  |  | 45,709 |  |  |  | (11,437 | ) |  |  | — |  |  |  | 34,272 |
Domain names |  |  | 3,317 |  |  |  | (1,990 | ) |  |  | — |  |  |  | 1,327 |
Non-compete agreements |  |  | 8,547 |  |  |  | (3,633 | ) |  |  | — |  |  |  | 4,914 |
Platform |  |  | 76,317 |  |  |  | (26,708 | ) |  |  | — |  |  |  | 49,609 |
|  |  | 587,563 |  |  |  | (324,693 | ) |  |  | (35,619 | ) |  |  | 227,251 |
|  | As of December 31, 2017 |
|  | Gross carrying value |  |  | Accumulated amortization |  |  | Accumulated impairment |  |  | Net carrying value |
|  | RMB |  |  | RMB |  |  | RMB |  |  | RMB |  |  | US$ |
Indefinite-lived: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Trade name and domain names |  |  | 2,161 |  |  |  | — |  |  |  | (2,161 | ) |  |  | — |  |  |  | — |
Finite-lived: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Technology |  |  | 228,374 |  |  |  | (172,976 | ) |  |  | — |  |  |  | 55,398 |  |  |  | 8,514 |
Online game licenses |  |  | 66,992 |  |  |  | (28,496 | ) |  |  | (34,608 | ) |  |  | 3,888 |  |  |  | 598 |
Customer relationship |  |  | 46,627 |  |  |  | (39,204 | ) |  |  | (2,654 | ) |  |  | 4,769 |  |  |  | 733 |
User base |  |  | 74,871 |  |  |  | (74,871 | ) |  |  | — |  |  |  | — |  |  |  | — |
Trademarks |  |  | 20,533 |  |  |  | (14,854 | ) |  |  | (1,198 | ) |  |  | 4,481 |  |  |  | 689 |
Domain names |  |  | 4,247 |  |  |  | (2,567 | ) |  |  | — |  |  |  | 1,680 |  |  |  | 258 |
Non-compete agreements |  |  | 1,610 |  |  |  | (1,610 | ) |  |  | — |  |  |  | — |  |  |  | — |
Platform |  |  | 71,885 |  |  |  | (39,532 | ) |  |  | (32,344 | ) |  |  | 9 |  |  |  | 1 |
|  |  | 517,300 |  |  |  | (374,110 | ) |  |  | (72,965 | ) |  |  | 70,225 |  |  |  | 10,793 |
Schedule of future amortization expense |
|  | Years ending December 31, |
|  | RMB |  |  | US$ |
2018 |  |  | 34,715 |  |  |  | 5,335 |
2019 |  |  | 18,202 |  |  |  | 2,797 |
2020 |  |  | 11,295 |  |  |  | 1,736 |
2021 |  |  | 1,254 |  |  |  | 193 |
2022 |  |  | 1,254 |  |  |  | 193 |
Thereafter |  |  | 3,505 |  |  |  | 539 |

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- Definition Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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