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"students were using Facebook to increase the size of their social network, and therefore their access to more information and diverse perspectives. "

"Powerful new technologies provide great benefits, but they also change the way we live, and not always in ways that everyone likes. An example is the spread of air conditioning, which makes us more comfortable, but those who grew up before its invention speak fondly of a time when everyone sat on the front porch and talked to their neighbors rather than going indoors to stay cool and watch TV. The declining cost of information processing and communication represents a powerful new technology, with social networking as the most recent service to be provided at modest cost. It can be expected to bring pluses and minuses."

social networking technologies support and enable a new model of social life, in which people’s social circles will consist of many more, but weaker, ties

Social networking technologies provide people with a low cost (in terms of time and effort) way of making and keeping social connections, enabling a social scenario in which people have huge numbers of diverse, but not very close, acquaintances.

Costs

Teaching

Interaction

Organization

Novelty

Speed and Security

“The key is, whatever model you choose, think about the technology choice before designing the course,” said Bates. “Too often instructors get halfway through the course and then start making decisions about the technology when that should have been thought about at the beginning so that it can be properly integrated.”