"The user of your software now is the agent." Wade Foster's read on where SaaS is heading, and it is the most concrete version of headless I have heard. His argument starts somewhere unexpected. Nobody ever wanted to log into your SaaS product and do data entry. Every tool of the last decade still had a human doing the work inside it. Zapier existed to remove that, except for one place, which was building the automation itself, where a human still had to sit down and click through…