not necessary
if you look at the post on how to make free point you may notice that it a website were you get refer there and for each refer sh get he could get money
that not the only website that does that there many others and there call cpc or affiliation program were you get money for advertisements.
mostly they pay about $0.10 cent per **** but it good if you have alot of members because that 0.10 cent could become $1,000 if each members **** and sing up for free