In today's on-demand society, news travels fast. In fact, according to social networking tool, Twitter, news travels at about 140 characters at a time. Twitter is the most widely used micro-blogging site and has become an essential PR and marketing tool. When the medium is being talked about by mainstream media staples such as CNN, the Wall Street Journal, and the New York Times, PR folks need to be paying attention.

 

More and more companies now use Twitter to communicate ...