What is copyright?
A collection of rights granted to the originator of a piece of work. Arts, songs, videos, software. There are five types of copyright licenses the originator can put on his/her work.
This is when anyone can use this object because the copyright expired. An example of this would be Romeo and Juliet.
Copyrighted work that you can copy, use and give away for free. An example of this would be iTunes or safari.
Copyright work that you can use and share freely, but after time you must pay for it. An example of this would be a demo or trial app.
#4.All rights reserved
Only allows purchaser to use software according to details spelled out by license agreement. An example of this would be Best buy or Wal-Mart.
Includes source code with the idea that people can help make it better. AN example would be firefox or linex.