The contest idea may bring a lot of fake referrals. There are some black sheep everywhere.
It is also easier considering SN allows to create multiple accounts...
However, if we differentiate between 'Active and Inactive' that may solve it. But again, it can be manipulated.
I do not agree with you. Someone can cheat you in this direction for at least one or two weeks, not more than that. But in the long run only good people will win the contest. who will genuinely work
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