Heroin is highly addictive gives you the impression that you can do anything and be super-productive, when in fact you're doing the exact opposite.
Similarly, Facebook is just as addictive and gives you the impression that you're socializing and making new friends when in fact you're doing the exact opposite.
Guy #2: Naw man I'm gonna stay in tonight and go on Facebook.. theres this girl thats going to be in my class at AU next year, I'm gonna rail her!
Guy #1: No, you're not. You're being deceived by the Illusion of Facebook.