What is the trick to NeoBux?

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I see that NeoBux is one of the most recommended PTC sites out there. But I just don't get it. They only give you 5 ads a day. I understand getting referrals is important, but what am I missing about this site? Why is it so popular? How are people making so much money on NeoBux? Also... can anyone explain to me what the difference is between a regular view and an extended view for viewing an ad, and how you get the extended view? I tried looking in the forum but could not find an answer to that question. You can earn .015 with an extended view vs teh .01 for the standard view, so of course I want to be doing that if I can.