This week’s recommended reading from your friends at Blogenberg…

• TechCrunch lays out a formula for putting a value on social networks.
• BusinessWeek explore a survey by architecture firm RMJM Hiller on the best American cities for design. Check out the article and then join the discussion.
• Despite some recent technical problems, Twitter has become a popular tool in politics: Presidential debate and general campaign tool.
• Over at the Sun Microsystems blog, Guy Kawaski explored “the art of change” with Ariane de Bonvoisin, the founder and CEO of The First Thirty Days, Inc.
• Gary Vaynerchuk explains why more people should focus on what they’re good at.
• Seth Godin shares the five elements of marketing.