The document discusses an approach called Groundspeed for manipulating web application interfaces from within the browser rather than intercepting and modifying HTTP requests. Groundspeed aims to provide context about form fields and parameters that is missing when analyzing HTTP traffic alone. It argues this reduces unnecessary tasks ("test friction") compared to traditional approaches. Specifically, working at the interface level 1) provides important contextual information and 2) reduces test friction by avoiding tasks like mapping parameters to interface labels. The presentation concludes by advocating a toolbox approach using multiple tools tailored to different layers (interface, JavaScript, HTTP) and bringing testing directly into the browser interface.