In the original designs for the World Wide Web, there was a clear line drawn between the services people interacted with (websites), and the software they used to access those websites (browsers).  An important distinction was that while the websites were under the control of the publishers, the browsers were under the control of the users themselves. In fact, as far back as the original specification for HTTP, the Hyper Text Transfer Protocol, the browser was referred to as the “user agent”. Ov...