Slides for Joel's talk at the 100 Things Online Conference

6. Behavior is a function of UI

7. Behavior is a function of UI

8. Behavior is a function of UI

9. Behavior is a function of UI

10. Behavior is a function of UI

11. Behavior is a function of UI

14. Problems with search engines Sign-up Scams

15. Problems with search engines Register to see the answer

16. Problems with search engines Wrong answers

17. Problems with search engines Obsolete results

18. Why search engines have trouble

21. Voting

22. Voting

23. Tags

24. Tags

25. Editing

26. Badges

27. Karma

31. Would you code for $1.17 / hour?

32. People will do more for free than they would for money

33. Extrinsic vs. Intrinsic Motivation

34. Pre-search

35. Google is UI

36. Performance

37. Critical Mass

38. Critical Mass

39. May 11, 2010 663,794 questions 86% answered

40. Posts

41. Registered Users

42. Visits

43. Unique Visitors

44. Page Views

47. Bonus

48. #10 Get Big!