Hometown: Lower Macungie, PA
December 14, 2013
Yes, I've been pushing these ideas in programming language and library design for a while. Some users of Ur/Web run serious web sites with reactive GUIs.
I do research on tools for programmers. This includes designing and implementing programming languages like Ur/Web, which since 2008 has had a core set of features that I think are fair to call "reactive."