px

Of course they are biased. That is his point. But our own blind spots can be revealed by studying those different perspectives.

I don't know. This seems to be the thrust of his arguments:

"By delegating information curation to multiple independent parties with demonstrated domain knowledge and critical ability, I ensure that what I read is not a mere reflection of what I believe."

Seems pretty reasonable to me.

Do you have any specific critique of "Abnormal Returns" and "The Big Picture," the curators he cites?

Codecademy.com has effective lessons on CSS. You may find it very useful.

Keeping an active inventory of your commitments (including a calendar for day to day items) allows for a couple of things:

1. Removing latent anxiety related to trying to keep track of all that needs to be done, which can in turn free one to focus on creative pursuits.

2. Making conscience decisions to defer certain projects and goals, which can also have quite a liberating effect.

Now that organizations like Khan Academy have traction and resources, I think they'll be able to bridge the gap. They'll be able to iterate as they receive feedback from the educational community.

We have arrived at a point where innovation in education is just beginning. Khan Academy doesn't have all of the answers, but they have made a significant contribution to the marketplace of ideas and tools, which will continue to evolve and grow.

That type of innovation is the key to significant progress. And this sort of discussion will drive it forward.

So many people seem eager to pick the winners and losers in this space right now. It is a bit early for that.