If all that fails and, let's face it, a lot of it will ... shape up for a scrap.
Quite likely, you'll have no clue your content's been collared until you look for copies.
As with most security topics, setting up and mastering a system is what takes the most time but, thereon, keeping tabs on scrapers makes for light work.
You needn't travel far to uncover the first clues. Try the Dashboard.
The Incoming Links box gets the ball rolling. Simply click through the saying links but, bear in mind, these are generally friendly, nicely attributing links:
Verdict: Better for finding ...