You must be looking for the Free Wordpress Plugin Which Allows You To Make Cost Effective Viral Referral Marketing Campaigns (1 visitor can equal 5)
You are in the right place.
Don’t worry, I got you covered.
But you NEED to email me, with the subject line: “FREE PLUGIN” – and email me at: firstname.lastname@example.org for now.
Will set this up so you will get it automatically soon.