Is artificial intelligence (AI) just a buzzword? Or is it really the next wave of useful technology? It's already changing many applications in just about every industry, so I think it's safe to say that it's more than just hype. If you're only hearing about it now, chances are that you already missed many early-stage opportunities in AI. The hottest stock in 2023 was arguably Nvidia, one of the main companies producing chips for AI. It gained about 230% last year, and several thousand percent more leading ...