For those familiar with past efforts to install new technologies in schools, the many claims for online instruction transforming traditional teaching and learning in K-12 public schools either cause snickers for their hyperbole or strike a flat note in their credibility, Larry Cuban reports for The Washington Post. Consider the following answer that Clayton Christensen, author of “Disrupting Class: How Disruptive Innovation Will Transform the Way the World Learns,” gave to this question posed to him by an interviewer: “Do you think that education is finally ready for the internet?”