Main variables Total D.18 % of enterprises that use Social Media (1) 36,12 D.18.A % of enterprises that use Social Media networks (Facebook, LinkedIn, Tuenti, Google+, Xing, Viadeo, Yammer, ...) (2) 90,3 D.18.B % of enterprises that use company blogs or microblogs (Twitter,...) (2) 21,78 D.18.C % of enterprises that use websites that share multimedia content (Youtube, Flickr, SlideShare, Instagram, Snapchat, Pinterest,...) (2) 49,86 D.18.D % of enterprises using wiki-based knowledge sharing tools (2) 8,51