Twitter to charge for tweets? Micro-blogging sensation Twitter says it is making progress on ways to pump cash from the free service. Twitter co-founder Biz Stone had the blogosphere buzzing anew with talk of generating revenue from business accounts by year's end. -- The Age

Wikipedia to add new layer of editing. Officials at the Wikimedia Foundation, the not-for-profit in San Francisco that governs Wikipedia, say that within weeks, the English-language Wikipedia will begin imposing a layer of editorial review on articles about living people. -- The New York Times