“@IBM: 1966: the student station of the IBM 1500 computer assisted instruction system #IEW2014 pic.twitter.com/1nCC8vaS09” 
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“@IBM: 1966: the student station of the IBM 1500 computer assisted instruction system #IEW2014 pic.twitter.com/1nCC8vaS09” 
Hei @IBM Could you give a reference in the related work of this picture? I might use it in my dissertation!
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