> IE5.5 was the first browser you could reliably write "rich" web UIs in My point is that in the IE6 era (and previously), doing so was categorically hard -- I

> IE5.5 was the first browser you could reliably write "rich" web UIs in My point is that in the IE6 era (and previously), doing so was categorically hard -- I didn't say impossible. Also, that changed with FF 3.5, IE8, Chrome, etc. Admittedly, IE6 and FF 1.5 were the first browsers I had to develop apps for from scratch. (And FF was already far more robust.)