The open source movement is one of the most important changes in software licensing to come along in recent years. Many developers of open source software are motivated by philosophy — they believe strongly in the open source model. However, your clients are more likely to be motivated by business interests; they simply want to know what open source means to their bottom line.
Open source advocates stress, and we agree, that open source is not a threat to the software industry. Interoperability and the debugging power of many sets of eyes helps everyone. In fact, the free availability of some software is likely to increase the market for other proprietary software.
