I think you're missing the point. Of course being able to ask questions would make a much bigger impact. That's why people go to school. This is not meant to replace that.
> "This isn't all that much different from a textbook, is it?"
1) Video. 2) Textbooks aren't free. 3) Wikipedia isn't organized into bite-sized lectures, and doesn't include ways to evaluate yourself. Wikipedia is a quick reference, not a comprehensive guide.
> "This isn't all that much different from a textbook, is it?"
1) Video. 2) Textbooks aren't free. 3) Wikipedia isn't organized into bite-sized lectures, and doesn't include ways to evaluate yourself. Wikipedia is a quick reference, not a comprehensive guide.