To me, error analysis is the sweet spot for improvement.

Am I an Apple bigot? No. I can critique their products and their customer service philosophy. But overall, they do better than any other player.

Also note that invariably when we design something that can be used by those with disabilities, we often make it better for everyone

I'm not a fan of technology . I'm a fan of pedagogy, of understanding how people learn and the most effective learning methods. But technology enables some exciting changes.

We expert teachers know that motivation and emotional impact are what matter.

Everyday people are not very good designers.

It is not enough that we build products that function, that are understandable and usable, we also need to build products that bring joy and excitement, pleasure and fun, and, yes, beauty to people's lives.