Introduction to bitcoin - what is money???

This presentation spells out the transition of offline to online money pretty well!
Introduction to bitcoin
http://www.slideshare.net/RobertMcNally1/introduction-to-bitcoin-15161936
via http://www.ictworks.org/news/2013/04/08/bitcoins-could-bring-truly-mobile-banking-to-africa/?utm_source=ICIPs&utm_medium=email&utm_campaign=5d526d1cb0-ICIP_RSS_Email