Ajax is an important development for Web applications, and its importance is only going to grow.

But despite the universality of URLs, we often forget that they're not just a handy way to address network resources. They're also valuable communication tools.

My job involves a lot of different skills now - I'm as much entrepreneur and management consultant as anything else these days - but IA is still my favorite part of the work I do.

Effective communication is a key factor in the success of your product.

The more everybody knows about all aspects of the problems we face, the better off all of us will be. Less time spent explaining things means more time for coming up with creative solutions.

I'm not sure that you can say definitively that some roles are better filled by consultants, but I would say that some projects are better handled by consultants.

User-centered design means understanding what your users need, how they think, and how they behave - and incorporating that understanding into every aspect of your process.