[youtube=http://www.youtube.com/watch?v=vf0I5s-Ghhk] I just heard this via a tweet (@BoingBoing) and was immediately enthralled. It is the sound of four postal workers at the University of Ghana in 1975 going about …

Digital Education in Emerging Spaces
[youtube=http://www.youtube.com/watch?v=vf0I5s-Ghhk] I just heard this via a tweet (@BoingBoing) and was immediately enthralled. It is the sound of four postal workers at the University of Ghana in 1975 going about …