FT.com: Economist eyes social network cash boost

"The Economist newspaper plans to acquire 500,000 fans on Facebook and 750,000 followers on Twitter within six months ... Readers of The Economist’s website will soon be able to log in and make comments using their Facebook identity, through Facebook Connect. ... The Economist’s discussion forums will remain free. “People aren’t accustomed to being charged for conversation,” [Economist publisher Ben Edwards] said."