--- created_at: '2015-01-19T14:56:29.000Z' title: 'Sketchpad: A man-machine graphical communication system (1963)' url: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.10.4290&rep=rep1&type=pdf author: sebastianconcpt points: 47 story_text: '' comment_text: num_comments: 20 story_id: story_title: story_url: parent_id: created_at_i: 1421679389 _tags: - story - author_sebastianconcpt - story_8912137 objectID: '8912137' --- [Source](http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.10.4290&rep=rep1&type=pdf "Permalink to ")