Another examples of a popular modern confidence scams is the refund scammers. They pretend to be from Amazon, McAfee, Norton, Microsoft, etc., and tell you that

Another examples of a popular modern confidence scams is the refund scammers. They pretend to be from Amazon, McAfee, Norton, Microsoft, etc., and tell you that a charge has been made, offering a refund. Or they claim hackers are on your computer. Then they install remote access software, and trick you into making bank transfers or buying gift cards. Personally I think these con-artist scams are more widespread than typical pyramid schemes. But perhaps that's just selection bias on my part, because of the folk I know and the media I consume.