Have you ever been scammed by a pyramid scheme?

Tweet

I just recently learned that a pyramid scheme is defined as any business model that relies on nothing but signing up new members to make a profit, without offering any product. That sounds to me like a lot of these make money online sites, where referrals are the only thing that actually pay. Have you ever been scammed by a similar scheme? Share your story with us here, so that we know how to protect ourselves in the future.