Magazine world view: Newsweek sold; USPS bites back; Glamour hits iPad

• Forbes blogs to get a big upgrade, every reporter will have one (Business Insider)
• Media companies try getting social with Tumblr (New York Times)
• Newsweek sold to Sidney Harman (Folio:)
• Griffin out as Meredith National Media Group president (Folio:)
• Is Flipboard good for publishers? (eMedia Vitals)
• USPS bites back at Affordable Mail Alliance (Audience Development) 
• Art Directors Club announces 2010 ADC Hall of Fame laureates (Media Update)
• Who will be the next editor of Newsweek? (Romanesko)
• This one's for the ladies: Glamour app hits the iPad (DailyFinance)