How many ads per day at NEOBUX?

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I join NEOBUX cause many people praise it.I'm just a free member of it,and I only receive 4 to 5 ads per day.But from other site's ad link, I found NEOBUX owns a long ads list.I want to know whether free members could not read all ads or it would change ads several times per day? Usually I just login once per day,so there are only 4-5 ads I could click.