AI hardware startup Plaud is gaining traction with its AI-powered notetakers, targeting professionals who take many meetings. The company has sold over 2 million devices and reached $100 million in annualized subscription revenue. Plaud’s devices, which don’t have screens, help users recall important points in real-life conversations. The company has launched new devices and software, including a desktop app and Plaud Teams for enterprises. Revenue is largely driven by users upgrading to paid plans, with a 50% conversion rate from basic to pro/unlimited plans.