Unit 2 In this unit, you will learn what is meant by Open Source Software Read this article abou thte difference between open source and commercial (proprietary) software. Activity 2 Open a word processor and answer the following questions What is the major difference between Open Source and Proprietary Software? What do you think that people that develop programs have to gain by contributing to the open source movement? What is the primary advantage to using an open source program instead of a proprietary program?