Copyright + License
Public Domain is...
Not protected by content by law.
ex: Classic literature.
Copyrighted work that you can’t copy, use or give away for free.
ex: Itunes, windows, safari
Copyrighted work that you can copy, share and use for free but only for a limited time.
ex: 30 days free trial
All Rights Reserved is..
Only allows to use the software according to details spelled out in the licence agreement.
ex: Software you buy at best buy
Open Source is..
Software that includes a source code with the idea that someone can improve it.
ex: Firefox, chrome..