Martin Casado on the AI product evolution before Grok Bot really got it right: "We've, as an industry, gone through multiple realizations for how AI enters our lives. Very early on, you add AI to a product and it's like a search bar. And then you do chat with it, and it chats back." "Then OpenClaw showed up... it'll be an extension of you, and it'll share your keys, and it'll know your passwords, and it'll just kind of do stuff that you would do." "What Grok Bot got really right is, how…