Neobux site scam or not?

Neobux site scam or not? One of the earning site they called ptc is neobux you can earn 0.01 per ads. Now their are many bux site in the internet is scam. Their are many question about neobux if this site is scam or not?  Someone can answer this question. Actually my friends said that this site is not scam they are good payer. but actually some people need a proof why? to know that if this site is really good payer.

sign-up here: http://www.neobux.com/?r=frankstamayo