Open Badge Network (OBN) held its second multiplier event on 2nd December at Online Educa Berlin 2015 (OEB2015). Online Educa Berlin is the global, cross-sector conference on technology supported learning and training. In December 2015, over 2,000 participants travelled from more than 90 countries for three days of discussions, debates, labs, demos and special events, to network with international experts and to […]