CEOWORLD Magazine, a premier online source for the analysis of world business, Finance & Technology news, has announced this year’s top 20 “Best Places to Work,” based on surveys collected in 2011, social-networking site Facebook keeps its No. 1 status. Southwest Airlines, Bain & Company, Edelman, General Mills, Slalom Consulting and Boston Consulting were all among the top 10. Tech leaders were also near the top of the list. These included Facebook, Google (NASDAQ: GOOG) and Apple (NASDAQ: AAPL).