Identifying information embedded in the certificate includes the holder 's name and email address, the name of the ca, a serial number and any activation or expiration data for the certificate.

证书中嵌有持有者的姓名、电邮地址、认证机构名称、序列号和证书的激活或者过期数据等识别信息。

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Regardless of impressive strength from Cisco on strong earnings and Facebook despite a lock-up expiration, weak economic data, uncertainty over the fiscal cliff, and the escalation of a military conflict between Israel and Palestine have conspired to keep the pressure on equities.

FORBES: U.S. Stocks Fall On Fiscal Cliff And Israeli-Palestine Conflict; Facebook And Cisco Shine

One solution that Rosen presents is destroying data: setting expiration dates on pieces of information so that it disappears.

FORBES: The Beauty of Never Forgetting

For certain types of data, we suggest that society consider expiration dates.

FORBES: What's to be Done about Big Data?