Experts warn FDA Twitter guidance will silence social conversation

Having had a week to mull over the FDA's latest batch of social media guidance, some observers have concluded the agency is making a blunt statement to brand managers: Don't use Twitter. A SVP at Digitas Health reached the conclusion after looking into how much of Twitter's ($TWTR) 140-character limit would be taken up by listing the risks of a drug. FiercePharmaMarketing story