I'm always a little cautious with these things though mainly because I'm not always that organized and opening up multiple credit cards isn't always the best idea. Personally, it would probably be a lot easier to do the referral thing and trick people into referring you.
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Just make the above your sig and make an account on every forum you can think of and just start posting like you're a normal member. You'll get your clicks (though I've never done this but people click interesting looking links without seeing where they're going).