his discovery, but at the same time ensured that if someone else - such as Kepler - later made the same discovery, Galileo could reveal the anagram and claim the credit." Reinventing Discovery Michael Nielsen http://press.princeton.edu/titles/9517.html
best answers rise to the top • Avoid duplication of effort ◦ Questioners are presented with existing answers • Communicate with clarity ◦ History is preserved ◦ Wrong answers are voted down • Get credit ◦ Best answerers are rewarded
all to view ◦ Commenting system • Avoid duplication of effort ◦ Open-source encourages re-use • Discoverable ◦ Code is searchable • Get credit ◦ Commit history shows who has done what