[caption id="attachment_127445" align="alignleft" width="215"] Free or open source software is based on the principles of freedom and cost.[/caption]

A few years back, one of my classmates from a graduate course had a complaint. She told me that her school bought an expensive technology system, which included tablets and interactive whiteboards, to help improve the school’s technological environment. In her opinion the purchase of this high-priced equipment was not really necessary. She believed that instead of buying such expensive technology, her school should have investigated alternatives that are inexpensive or free, and require only...

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