This is Optimizer, a weekly newsletter sent from Verge senior reviewer Victoria Song that dissects and discusses the latest gizmos and potions that swear they're going to change your life. Opt in for Optimizer here. A few days ago, I walked into the basement of a midtown gym. Smoothies and healthy snacks were passed out. Fresh from a group workout, sweaty fitness influencers (and some less sweaty tech reporters) sat in a semicircle on some patchy leather couches and recliners. We were all there