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Remember that nothing is temporary online. The virtual world is full of opportunities to interact and share with people around the world. It's also a place where nothing is temporary and there are no "take-backs." A lot of what you do and say online can be retrieved online even if you delete it — and it's a breeze for others to copy, save, and forward your information.

Mark your profiles as private. Anyone who accesses your profile on a social networking site can copy or screen-capture information and photos that you may not want the world to see. Don't rely on the site's default settings. Read each site's instructions or guidelines to make sure you're doing everything you can to keep your material private.

Safeguard your passwords and change them frequently. If someone logs on to a site and pretends to be you, they can trash your identity. Pick passwords that no one will guess (don't use your favorite band or your dog's birthday; try thinking of two utterly random nouns and mixing in a random number), and change them often. Never share them with anyone other than your parents or a trusted adult. Not even your best friend, boyfriend, or girlfriend should know your private passwords!

Imagine a high school student in the year 2015. She has grown up in a world where learning is as accessible through technologies at home as it is in the classroom, and digital content is as real to her as paper, lab equipment, or textbooks. At school, she and her classmates engage in creative problem-solving activities by manipulating simulations in a virtual laboratory or by downloading and analyzing visualizations of real-time data from remote sensors. Away from the classroom, she has seamless access to school materials and homework assignments using inexpensive mobile technologies. She continues to collaborate with her classmates in virtual environments that allow not only social interaction with each other but also rich connections with a wealth of supplementary content. Her teacher can track her progress over the course of a lesson plan and compare her performance and aptitudes across a lifelong “digital portfolio,” making note of areas that need additional attention through personalized assignments and alerting parents to specific concerns. What makes this possible is cyberlearning, the use of networked computing and communications technologies to support learning. Cyberlearning has the potential to transform education throughout a lifetime, enabling customized interaction with diverse learning materials on any topic—from anthropology to biochemistry to civil engineering to zoology. Learning does not stop with K–12 or higher education; cyberlearning supports continuous education at any age.

Dave Crenshaw discussed his latest book, The Myth of Multitasking. Crenshaw makes a strong distinction behind “background tasking”—reading a magazine while waiting in line, for instance, or listening to music while coding—and “switch-tasking.” Most of the time, when we talk about “multi-tasking,” we’re actually talking about the very costly practice of “switch-tasking.” Every time you switch your attention from one place to another—even from one browser window to another—you take a significant hit to your focus

Switch-tasking, he definitively proves, causes you to execute each task more slowly than you would otherwise, with more errors

pecifically, what can parents, teachers, and employers do to help their kids, students, and employees focus their attention more effectively? As a kid, student, and employee myself, I have to say that I believe the solution is emphatically not to limit access—at least not for older teens. Rather, I think the key lies in laying out the facts and discussing strategies. Information overload and the allure of infinite access, after all, are challenges that affect everyone with an internet connection—not just young people. And, though writing a stellar book report might not be a cause compelling enough to warrant total focus, every young person will at some point find a pursuit worth paying attention to. Maybe it’s writing short stories; maybe writing music. Maybe it’s making art. But when that pursuit comes along, they’re going to want to know how to firewall their attention, focus their efforts, and—for once—stop switching.

lectronic standards of conduct or procedure.

lectronic exchange of information.

process of teaching and learning about technology and the use of technology.