Why Tech Still Hasn't Solved Education's Problems

Remember MOOCs, or massive open online courses? Now, as another school year lurches into gear, those companies have a meek record.

Udacity tried replacing intro courses at San Jose State; it ended in failure. So why has the promised boom in educational technology failed to appear -- and why was the technology that did appear not very good?

Paul Franz, a language arts teacher in California, suggests that education is too complex to tackle by tech alone.