Y Hacker News new | ask | show | jobs

user: ketchupy created: 2010-02-12 karma: 1 submissions: 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments 0 points | 0 comments How I Helped Invent the Touchscreen in 1979 at Xerox PARC 1 points | 0 comments