But a new study highlighted by Wired Science suggests that sharing information corrupts the "wisdom of crowds" by making people confident about certain viewpoints whose only merit is the fact that they're widely shared.
And here's a chaser for that shot of pop psychology: At 1:30pm Tuesday, this Wired Science article about the dangers of shared information was the sixth most shared article of the day on Google News. Draw your own conclusions.
"Although groups are initially 'wise,' knowledge about estimates of others narrows the diversity of opinions to such an extent that it undermines" collective wisdom, wrote researchers led by mathematician Jan Lorenz and sociologist Heiko Rahut of Switzerland's ETH Zurich, in Proceedings of the National Academy of Sciences on May 16. "Even mild social influence can undermine the wisdom of crowd effect."