Daily Twitter Updates for 2011-11-22 Steve Hatch, November 22, 2011. Stanford University is offering popular computer science courses to the public online for free: http://t.co/EWQ4J1z3 # Powered by Twitter Tools Filed under Twitter. More to read December 31, 2011Daily Twitter Updates for 2011-12-31 December 29, 2011Daily Twitter Updates for 2011-12-29 December 28, 2011Daily Twitter Updates for 2011-12-28 December 27, 2011Daily Twitter Updates for 2011-12-27