这项服务的前提是相对简单的：你想保护你的社交媒体数据以防灾难性的、失败的情况或是仅仅为你自己的记录作一个备份。

The service’s premise is relatively simple: you want to protect your social media data in case of chatastrophic circumstances, failure, or just to have a copy for your own records.

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在多媒体应用程序中，大部分数据都储存为大对象(LOB)，这些LOB数据一般不需要进行日志记录。

In multimedia applications, much of the data is stored as large objects (LOBs), which tend not to be logged.

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数据通信系统，信息处理设备和方法，记录媒体和程序。

Data communication system, information processing device and method, recording medium and program.

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