The blistering growth of artificial intelligence investment has left many market watchers with a familiar, uneasy feeling. So as billions of dollars flow into chip makers, data centers and startups, the question on everyone’s mind looms — are we in an AI bubble? According to Microsoft co-founder Bill Gates, the answer is “yes” — but with some heavy qualifiers. Gates was quick to clarify that not all bubbles are created equal in an Oct. 28 interview on CNBC. And that from his perspective, the AI frenzy is ...