Just as you save your essay constantly so you don't lose your work, or back up your entire hard drive in case it crashes, it's prudent to have a copy of your social media data.

就像你经常保存你的文章以免丢掉工作成果，或是备份你的全部硬件驱动以防它的崩溃，为你的社交媒体数据保留一份备份是一个谨慎的做法。

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Leave these fields blank because, for the purposes of this article, you host your plug-in locally on your hard drive.

保留这些字段为空，因为对于本文的目的来说，您将插件本地宿主在自己的硬盘上。

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You can map this in your mind using the hard-drive analogy: objects are to files as buckets are to folders (or directories).

您可以用硬盘进行类比：对象就像是文件，存储段就像是文件夹(或目录)。

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Exactly, so you might have been thought especially in years past to defragment, so to speak, your hard drive once in a while.

你可能认为需要进行,碎片整理这种操作，也可以说硬盘驱动器有时需要你这么做。

哈佛公开课 - 计算机科学课程节选

We're not going to front like we understand exactly how it works, but two IBM researchers in California have announced that they've gotten closer to controlling the orientation and magnetic spin of individual iron atoms on a copper surface, which would have huge implications for nanotech storage -- imagine the basic tech in your hard drive shrunk down the molecular level.

ENGADGET: IBM researchers get closer to nanotech hard drives

You can participate in the Bitcoin network yourself, storing the keys to your Bitcoins in a wallet stored on your hard drive.

FORBES: Four Reasons You Shouldn't Buy Bitcoins

Then there's encryption software to seal off your hard drive in case your computer goes for a walk.

FORBES: Magazine Article