In the biotech arena, some people have become well-known by their Twitter handles that include the "@" symbol and some combination of numbers, letters and characters. Xconomy's Luke Timmerman (@ldtimmerman) chronicled some recent Twitter action and trends in the biotech scene in his latest column. The upshot: Twitter apparently isn't a flash in the pan for communication among biotech professionals. The social networking platform has become a lively forum for debating ideas and sharing news and insights in life sciences. Richard Pops (@popsalks), the chairman and CEO of the biopharma group Alkermes ($ALKS), told Timmerman: "Twitter = New Frontier. Someone has to lead." Column