The first art in caves were ...

The first art in caves were really psychedelic experiences, and the reason that they were is because the tribal encyclopedia, the amount of information that people needed to know in order to move to a new way of life, suddenly increased over that period of time.
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 Howard Rheingold

Quotes from the same author

What the Japanese are, are the Americans of the 21st century. Essentially what is objectionable about them is what was objectionable about Americans when we had the ball. However, they are committed in a way that American technology is not.
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 Howard Rheingold
A lot of people use collaborative technologies badly, then abandon them. They aren't 'plug-and-play.' The invisible part is the social skill necessary to use them.
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 Howard Rheingold
In Japan, their written language doesn't translate to keyboards well. So they have problem communicating with computers, so they really feel that what's missing from telephones and computer interfaces is this ability to move around in three-space.
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 Howard Rheingold
Humans are humans because we are able to communicate with each other and to organize to do things together that we can't do individually.
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 Howard Rheingold
The AP has only so many reporters, and CNN only has so many cameras, but we've got a world full of people with digital cameras and Internet access.
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 Howard Rheingold