Restrictions can be useful...when using others work
What is a copyright?
1. Public Domain
-The copyright has expired
-The work was created using public money-The creator donated the work into the public domain
Examples: Classic literature (because the copyright has run out)
Examples: iTunes, Safari, Internet explorer, ect.
Examples: A free game, free trial
4. All Rights Reserved
Only allows the purchaser to use the software according to rights agreement.
Examples: Most stuff at Best Buy
5. Open Source
Examples: Firefox and Chrome