I think this is something we all need help with. I've done various promos - "We'll give you $x for each friend you refer" as well as "Get a free widget when you

I think this is something we all need help with. I've done various promos - "We'll give you $x for each friend you refer" as well as "Get a free widget when you refer a friend!" These all had low, low response rates - so low, in fact, that it didn't justify the time spent coding/marketing. I wish I knew the answer.