Search for music by singing or humming part of a song. All you need is a microphone.

Nonverbal communication adds nuance or richness of meaning that cannot be communicated by verbal elements alone. Given time and experience, some of the same richness of real-time, face-to-face communication can occur in a virtual, text-based medium.

<p>The style of learning will be completely different. The new centres will open from 7am until 10pm in both term-time and what used to be known as the school holidays. At weekends, they will open from 9am to 8pm.</p> <p>Youngsters will not be taught in formal classes, nor will they stick to a rigid timetable; instead they will work online at their own speeds on programmes that are tailor-made to match their interests.</p>

A beautiful design will give the user the impression that the site is easy to use, whether it is or not.

The problem with testability is that even the most reasonable of success criteria can be non-testable—and if a success criterion is not considered testable, it isn’t included in <acronym title="Web Content Accessibility Guidelines"><span class="caps"><span class="caps">WCAG</span></span></acronym> 2.0. Whether the criterion is an otherwise useful technique that improves accessibility is now irrelevant to whether it gets included in <acronym title="Web Content Accessibility Guidelines"><span class="caps"><span class="caps">WCAG</span></span></acronym> 2.0.

They focus group energy, they permit real-time interaction (which can help develop group cohesion, especially for those less familiar with media-based learning) and, most importantly, they provide a familiar instructional environment that mimic many positive features found in the traditional classroom environment (i.e., synchronicity, verbal rather than text-based interaction, instructor presence, whiteboard presentation facilities, hand-raising for turn-taking, public and private messaging capabilities).

"People think that kids today somehow grow up magically knowing how to use new technologies," he adds. "They don't. The difference with this generation is that if students don't know how to use a technology, they aren't afraid of learning."