See Tom Landspurg's Myths of mobile Web2.0 (and mobile Ajax).
Good piece. I share many of Tom's viewpoints, and as a matter of fact, Tom and I are very much in sync, to the point that Ajit's SoonR and Mobile AJAX article triggered similar responses on both of us. While I also share some of Ajit's viewpoints (I'm sure Tom does too), I like to separate vision/future vs. practicality/reality/today, vs. buzz/hype – this is very important to do.
That said, having such differences in opinions and/or vision is a very healthy thing to have.
I'll go ahead and finish writing the piece I had started earlier when I initially read Ajit's SoonR article, where I introduce a number of important points and clarifications…
ceo