If you haven’t already seen this series of videos, I am sure you will enjoy Part 3. It’s a great discussion starter for historical change in the digital era too. Enjoy!
You might also be interested in this 2007 essay in Harpers magazine by Jonathon Lethem called “The Ecstasy of Influence” http://www.harpers.org/archive/2007/02/0081387
The essay focuses on literature and similar ideas about what constitutes plagiarism.
judyoconnell.com 
You might also be interested in this 2007 essay in Harpers magazine by Jonathon Lethem called “The Ecstasy of Influence” http://www.harpers.org/archive/2007/02/0081387
The essay focuses on literature and similar ideas about what constitutes plagiarism.