Let's see this in practice;
Clarity's Explanation
"We can still summarize and even still copy and paste small portions of the articles; but just snatching the entire thing off of another site and pasting it here is a pretty brazen violation of their property rights, when everyone out there (and their dog) has some sort of stake in the world-wide intar-nets game these days."
Portion of the original work is quoted, without lifting the entire work. We end up with a more concise summary, and the option to click through and go see more. No loss.