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It is really not easy to build a very large network, those people that have those networks of people really worked hard for it but not all about numbers most times but about if your referrals gamble frequently. Those gambling companies that has the referral bonuses could it be that there are terms that the dividends will end something or will it be as long as the company exists?
I think there are some tricks here. The fact is that referral links really work, as it were, in two directions. The first is that your friend finds out about the existence of a particular gambling site. Previously, he simply did not know about such a site. And the second - this is an extremely rare event - your friend becomes a player on such a site.
And these two advertising steps are quite good and effective. And that's why referral links are so widespread.