The Learning Machines

PRODUCED By CHARLES WILSON, MARVIN ORELLANA and MIKI MEEK/THE NEW YORK TIMES 

Not sure if this will show up in the Posterous post.

If not, go here: http://www.nytimes.com/interactive/2010/09/19/magazine/classroom-technology.html

Neat timeline (though limited) of learning-related machines through the years.