On Twitter, if you want to quote someone else, you say, 'RT, re-tweet, that person's name, and then what they said before.' And it's a way of essentially saying, 'I'm not saying this, but my friend said this and I thought this was interesting.'
From Ethan Zuckerman
Re-tweeting is a pretty common practice on Twitter, but on an average day, we see maybe one out of 20 posts is a re-tweet.
The Internet has not become the great leveller that it was once thought it could be.
When I was growing up in the U.S. in the 1970s, 35-40% of an average nightly newscast focused on international stories.
The wider world is a click away, but whether we mean to or not, we're usually filtering it out.
People generally pay attention to what they already know about and what they care about.
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