1. Japanese Rubyists
You have not
met yet
Masayoshi Takahashi
Nihon Ruby-no-kai (Japan Ruby Group)
Twinspark Co. Ltd.

2. Japan

3. Many
Rubyists
in Japan

4. Matz
Ko1
nobu
akr
seki
...

5. Known
only in
Japan

6. introduce
2 Rubyists

7. the 1st
Rubyist

8. Yugui

10. the Release
Manager
of Ruby 1.9

11. Yugui’s movie
http://www.nicovideo.jp/watch/sm4368109

12. Yugui’s
works

13. wrote
“Learning Ruby
Japanese Ed.”

15. Not like
English Ed.

16. Ruby 1.9
Ready

18. trustworthy
manager

19. the 2nd
Rubyist

20. Itojun

21. Jun-ichiro
“itojun”
Hagino

22. “IPv6 Samurai”

23. KAME
project

25. to provide
a free stack of IPv6
for BSDs
(including Mac OS X)

26. the member
of the IAB
(2003-2007)

27. Itojun’s
Contribution
to Ruby

28. the 2nd
contribution

29. IPv6 protocol
stack for Ruby

30. the 1st
contribution

31. 1994/12

32. (closed) alpha
release of Ruby
before in public

33. Itojun offered
ML and FTP
to Matz

34. “Ruby is one of the softwares
that cannot be developed
without itojun.”
(Matz’s diary 2007/10/31)

35. bad news

36. You never
meet him,
like Guy Decoux

37. He passed away on
October 29, 2007

38. Itojun’s last movie
http://jp.youtube.com/watch?v=u4Y-Sl7hIqg

39. He is the one of
the most famous
hackers in Japan

40. He is the one of
the most famous
free software
evangelists
in Japan

41. Conclusion

42. Many Rubyists
in the world

43. Some Rubyists
you’ve not met

44. not bad news,
I guess

45. We can develop
Ruby with
unseen people

46. You can
meet Yugui
through
Ruby 1.9

47. You can
meet Itojun
through
IPv6-Ruby

48. great feature
of free software

49. we love Ruby
and Rubyists
all over the world
through Ruby

50. Thank you.