"If John Dvorak says it will fail, it's time to buy stock."
He recently tends to be wrong more often than right; perhaps sitting too close to his monitor for decades has finally gotten to him.
I'm not sure what you mean by recently. I've been watching him since the early 90s. things like the internet will collapse from overload, and so forth.
I suppose he has been right on small issues, but I tend to remember the big ones.
I do believe tha iPhone will have trouble getting adopted by big business. Probably the same people who buy iPods will buy it. My wife wants one.