There are 5 types of licenses you can use with copyright.
Isnt protected by copyright because a) the copyright has expired b) the work was created using public $ c)the creator donated the work into the public domain
Copyright material that you can give away for free -itunes, safari
Copyrighted work that you can copy, share, and use for free but only for a limited time. If you want the full/permanent program, you must pay for it. -lite apps in the app store, AOL free internet on ISP
All Rights Reserved:
Only allows the purchaser to use software according to the details in the license agreement Microsoft
Software that includes the source code with the idea that someone can improve it