AI labs can't stop leapfrogging each other

The AI industry has entered an era of perpetual upheaval where market leaders are crowned — and dethroned — every few months.Today's hottest company could be eclipsed by summer and the laggard could revolutionize the world.Why it matters: As AI changes everything, keeping up with who's dominant and who's falling behind is becoming an existential question for investors, big businesses and regular users trying to guarantee their own futures.The wrong call can mean spending millions of dollars on a...