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Ultimately the importance of technology or its absence pales in comparison to the importance of a teacher's attitude, effort, and success. More opinionated academics and nonacademics alike need to view teachers in action and see whether they connect with their students and get the job done. Some of these wonderful and successful teachers will have beautifully planned and integrated technological endeavors, and some will have a whiteboard, chalkboard, or a circle of desks in the center of the room.

Indeed, a variety of players – including state security agencies to Internet marketers to organized-crime circles – are creating an online world in which the very concept of anonymity has basically vanished.

“People at first thought anonymity was very simple,” he says. “It's the complete opposite: The Internet is a great tool for spying.”

“We're not working with any individual consumer information,” Mr. Green says. “In fact, we don't want it.” Instead, Generation5 says it focuses on balancing anonymity with consumer targeting.

We also know, from research around the world, that when asked about bullying, adults in the school give themselves much higher marks for anti-bullying intervention and effectiveness than students give those same adults.

instructors have blasted Facebook (and rightfully so) for its poor privacy protections.

Google+ allows a person to place all of their contacts into Circles, allowing a user to control with great precision who among their contacts will have access to which bits of shared content.