Computer technology has penetrated the classroom for thirty years with little impact. After hundreds of “disruptive” education startups, the best innovation in education is still the chalkboard. T
<img src="https://techcrunch.com/wp-content/uploads/2011/06/screen-shot-2011-06-08-at-8-08-11-pm.png" />Education-focused startup <a href="http://www.openstudy.com">OpenStudy</a> is a platform for "