Going back to my favorite analogy in regards to open source software and proprietary software — proprietary software is like buying a car with the hood welded shut.

回顾我最爱的那些关于软件源代码和私有软件的类推法——私有软件如同买辆非敞篷车。

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After five years, its source code would go into the public domain, and proprietary software developers would be able to include it in their programs. But what about the reverse case?

5年以后他的源代码将会进入公共领域公开，专有软件开发者将会使用这些源代码到他的程序里去。那么反过来会怎么样呢？

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Traditionally, proprietary hardware and software have been designed to work together, often at a significant cost.

传统上，专有硬件和软件是用来互相配合工作的，通常成本高昂。

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The firm's focus is now on offering corporate clients video and proprietary software programs aimed at optimizing sales management and teamwork.

FORBES: Magazine Article

Linux distributions, open source and proprietary software projects will benefit from Linaro's investment, with more stable code becoming widely available as a common base for innovation.

ENGADGET: ARM, Samsung, IBM, Freescale, TI and more join to form Linaro, speed rollout of Linux-based devices

The contrast is all the sharper given some of the successes shown by those using open-source software: the District of Columbia, for example, has junked its servers and proprietary software in favour of the standard package of applications offered and hosted by Google.

ECONOMIST: Technology and the public sector