IMAGINE THAT: Is efficiency always best when it comes to learning? Such efforts pre-date MOOCs and automated graders, going back to the 1920s with clunky contraptions like the "Automatic Teacher." George Veletsianos, an education professor at Royal Roads University in Canada, says this obsession with efficiency is "reductionist" and "lacks imagination." Instead, he argues, we ought to create experiential learning opportunities where students to create and share--not just consume--knowledge. After all, aren't the most memorable lessons those born from hardship, frustration and persistence?