Yet the idea is largely based on anecdotes, and researchers such as Karl MacDorman, associate professor of human-computer interaction at Indiana University, are working on experiments to hone in on possible explanations.

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In follow-up experiments, the researchers asked participants to imagine and write about a hypothetical interaction with someone who was extremely wealthy or extremely poor.

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Though the final report hasn't been released yet, the project's global survey results and experiments suggest something that a lot of Facebook users already sense: social interaction is a driver for happiness, and the Web 2.0 is a valid way to experience it.

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