1999 saw the release of XMLHttpRequest as an ActiveX control for IE 5. There certainly were IE-focused developers still referring to most of what they were doin

1999 saw the release of XMLHttpRequest as an ActiveX control for IE 5. There certainly were IE-focused developers still referring to most of what they were doing as DHTML and yet doing the earliest AJAX stuff, back when the X still made sense that it stood for XML and XMLHttpRequest was the first and at the time only AJAX tool available in a web developer's toolbelt.