Sock puppets and Lifeline ads: Welcome to the wild world of copy trading We’re sorry, this service is currently unavailable. Please try again later. Dismiss Sock puppets and Lifeline ads: Welcome to the wild world of copy trading Normal text size Advertisement American actor Alec Baldwin is hamming it up with a sock puppet in advertisements playing on high rotation on social media to explain a hot new trading trend – copy trading. He explains that it's oh-so-easy to make a motza trading crypto or shares even if you're a hipster food blogger and know nothing about the market. Hollywood actor Alec Baldwin, with his sock puppet, in the eToro ad.