ITS 2012 – Keynote Speakers Colin AllisonFor more information on his keynote speech click here – Open Virtual Worlds for Exploratory Learning Maria GrigoriadouFor more information on his keynote speech click here – From learning theories to learning environments Sheizaf RafaeliFor more information on his keynote speech click here – Online games and Sharing in Learning Norbert M. SeelFor more information on his keynote speech click here – The three learning Sciences (biological, artificial, human)