It's hard to escape the artificial intelligence hype. It's everywhere. Companies are adopting AI into their processes. Many people are talking to chatbots. And investors are making bets on which firms or themes will win. But do you need to own an AI ETF to benefit from the boom? Or do you already have enough exposure? Morningstar's associate director of US passive strategies research Dan Sotiroff has investigated whether the additional volatility of an ETF focused on AI is worth the risk.