Main variables;Total E.1 % of enterprises that use Social Media (1) (1);31,2 E.1.A % of enterprises that use Social Media networks (Facebook, LinkedIn, Tuenti, Google+, Xing, Viadeo, Yammer, ...) (2);94,96 E.1.B % of enterprises that use company blogs or microblogs (Twitter, Present-ly, Blogger, Typepad, ...) (2);29,63 E.1.C % of enterprises that use websites that share multimedia content (Youtube, Flickr, SlideShare, Instagram,...) (2);28,86 E.1.D % of enterprises using wiki-based knowledge sharing tools (2);6,77 E.2.A % of enterprises that used Social Media to develop the image of the company or market products (advertising, product launches,...) (2);75,33 E.2.B % of enterprises that used Social Media to receive or send customer opinions, reviews or questions (2);56,53 E.2.C % of enterprises that used Social Media to involve customers in the development or innovation of goods or services (2);33,93 E.2.D % of enterprises that used Social Media to collaborate with business partners or other organizations (e.g. public authorities, NGOs, ...) (2);27,02 E.2.E % of enterprises that used Social Media for personnel selection (2);7,98 E.2.F % of enterprises that used Social Media to exchange points of view, opinions or knowledge within the company (2);27,36 E.3.A % of enterprises that consider social media to be useful for the generation or development business (2);45,54 E.3.B % of enterprises that consider social media to be somewhat useful for the generation or development business (2);42,75 E.3.C % of enterprises that consider social media to be not at all useful for the generation or development business (2);4,33