Does everyone need to get excited for features that existed in Outlook ca. 2000 A.D. just because they are wrapped in a shiny Web 2.0 veneer?
As much as Web 2.0 enthusiasts loathe the fact, Microsoft actually invented XMLHTTPRequest. See http://stackoverflow.com/a/12067786/112125
I think it's pretty well aware Microsoft (or should I say a select few working on IE at Microsoft) invented "AJAX"
So what?
Does everyone need to get excited for features that existed in Outlook ca. 2000 A.D. just because they are wrapped in a shiny Web 2.0 veneer?