In the GNU project, we use copyleft to protect the four freedoms legally for everyone. We believe there are important reasons why it is better to use copyleft. However, noncopylefted free software is ethical too. See Categories of Free Software for a description of how “free software,” “copylefted software” and other categories of software relate to each other.
When the European Commission started dealing with Free Software on a regular basis, they sought to avoid the ambiguity of the English word "Free Software" and the misunderstandings of "Open Source" alike, which led to the adoption of a third term which has popped up occasionally since around 1992: "Libre Software." This term has proven resistant to inflationary usage and is still used in an identical way to Free Software. So it may pose a solution for those who fear being misunderstood when speaking English.
Instant wins: When you collect a certain number of holiday treats to equal an instant win, the prize will be automatically added to your TopCashback account within 48-72 hours. Return each day to increase your chances for instant wins and gain more entries to the grand prize. There are thousands of instant wins in the form of some of our favorite holiday icons that range in value from $0.25 to $100 each.