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SHEEPLE WAKE UP BEFORE YOU FIND YOURSELVES SELLING GUM AT THE STREET LIGHTS!!! Facebook is blackmailing all its users, and they are like sheep: Happy, singing "Maaa" ("I Agree")!
And for the last two sentences... There is a catch... Well, you can only pity the not-so-smart ones! (Hint: I underlined the clues)
Disclaimer: I am not a lawyer, and I don't have any degrees in the Law, nor do I claim proficiency in any Legal matters. You may wish to consult a lawyer.