By Michel Gutsatz - BrandWatch A spate of recent studies ("Social Media in Marketing Mix: Budgeting for 2011, Debra Aho Williamson, e-marketer / "How Engaged is Your Brand?" Alterian 8th Annual Survey / "Why Social Media Projects Fail: a European Perspective ", BSI) tend to prove that brands, whether in Europe or in the USA, do not know how to mak...