Changes

* http://www.youtube.com/watch?v=4-14mZgPfxM* http://en.wikipedia.org/wiki/Ubiquitous_computing* http://en.wikipedia.org/wiki/Ambient_intelligence* http://en.wikipedia.org/wiki/Tablet_computer#Apple.27s_iPad* http://lcweb.senecac.on.ca:2531/citation.cfm?doid=159544.159617* http://lcweb.senecac.on.ca:2289/stamp/stamp.jsp?tp=&arnumber=5410720* http://lcweb.senecac.on.ca:2289/stamp/stamp.jsp?tp=&arnumber=993145* http://lcweb.senecac.on.ca:2289/stamp/stamp.jsp?tp=&arnumber=993144