You tuck your secret away in an unexpected place, like an MP3 or a photo file, to conceal the fact you even shared any information at all.

你可以将秘密文字信息隐藏在MP3或者图片格式文档下，于是你就可以瞒天过海了。

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Neuroscientists have theorized for decades that the human brain time stamps events as they happen, just as a camera tags the date and time onto a digital photo file.

神经系统学家经过几十年的推理论证发现，事情发生时，人类大脑会为其打下时戳，这就像相机为数码相片文件标上日期和时间一样。

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Because the components are already installed, there's no reason you can't use them to host "regular" blogs and non-photo file shares for your users, all in one Web site.

这些组件安装完毕之后，您自然可以使用它们来为用户托管“常规”blog和非照片文件共享，所有这些均可在一个网站上实现。

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But overall, I can recommend PeggyBank, whose name is a play on both "piggy bank" and on the names of the most common digital video, audio and photo file formats: MPEG and JPEG.

WSJ: PeggyBank Service Gives You a Place to Deposit Recorded Memories

Features like WiFi, Bluetooth, GPS, advanced SMS, browsers and photo and sound file transfer capabilities.

ENGADGET: Professor singles out mobile carriers for stifling cellphone innovation

In this August 6, 2009 file photo, the sun is reflected on the facade of the European Central Bank ECB Tower, seen through the Euro symbol, in Frankfurt, central Germany.

BBC: Stress-test message to banks: Prepare for possible Greek default - BBC News