Similarities they found include a list of CyberSitter serial numbers and an update that makes the software compatible with an old version of CyberSitter, he said.

他们发现的相似之处，包括一个"网络保姆" (CyberSitter) 注册号列表，还有一个使软件能够兼容旧版本的升级程序。

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Microsoft promises Windows 7 will support almost every piece of software compatible with XP, and in the few cases it doesn’t, there’s an XP virtualization mode ensuring backward compatibility.

微软承诺Windows 7将支持几乎所有兼容XP的软件，在少数不支持的情况下，用户还可以使用XP虚拟模式来确保向后兼容。

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The Esplora is 100% Arduino software compatible but doesn't provide Arduino Shield connectors (i.e. it can't be used with Arduino Shields directly).

ENGADGET: Arduino Esplora helps you learn microcontrollers without the pesky breadboard

The software is compatible with smartphones and tablets sporting Android 2.2 or higher and accepts both keyboard and voice input for text.

ENGADGET: NTT DoCoMo launches free Concier mail translation app for Android devices

In other words, the fundamental flaws in computer programs will remain as long as people insist that each new version of software be compatible with the previous one.

ECONOMIST: Google goes in search of an instant operating system