At last count, Twitter had half a billion registered users who together generate some 175 million tweets a day. New accounts are being added at a rate of 11 per second.
Just how valuable are these proliferating 140-character messages?
Be clear, not cryptic or insidery.
Don’t overuse hashtags, and don’t retweet one-on-one conversations
“The key is to be aware of one’s audience and how different people’s values may differ,” says Paul André, one of the researchers.
See on hbr.org