Perplexity Goes Agentic on Mac, Rippling Goes AI-Native, and a PM Goes Zero to App Store

Perplexity is replacing its Mac app with something fundamentally more agentic, Rippling shipped AI across every product in six months using LangChain and LangSmith, and Notion launched a Developer Platform that opens the door for agents to extend Notion — three signals pointing at the same thing: the definition of "the product" is expanding past the interface.