history of educational technology By Samira Mohamud Jan 1, 1800 Chalk Board Jan 1, 1910 episcope Jan 1, 1917 educational radio Jan 1, 1960 Language labs Jan 1, 1968 educational television Jan 1, 1970 Microcomputers Jan 1, 1987 microsoft powerpoint Jan 1, 1990 microsoft windows Jan 1, 2005 youtube Dec 3, 2007 Ipod touch
