50th Birthday of Sketchpad!
1962
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Code Seems "Large" and "Complicated" For What It Does
A 400 page book - 20,000 lines
1 foot of books (without covers) • 15 books • 6000 pages • 300,000 lines
• 1 million LOC/meter!
Empire State Building • 1472 feet • 22080 books • 8,832,000 pages • 441,600,000 lines
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Office Apps • ~100,000,000 lines of code • 5000 books
Operating System • ~120,000,000+ lines of code • 6000 books
"Personal Computing"? • ~220,000,000 lines of code • 11,000 books
LFP Company • ~400,000,000 lines of code • ~170,000 screens • !20,000 books
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From "Interesting" to Significant
The systems we live in and the systems we are
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Putting Turing To Work
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Control Data 6600
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Putting Turing to Work
Alan Kay
Viewpoints Research Institute
Heidelberg Laureates Forum, September 27, 2013
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