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これからの「アジャイル」の話をしよう / What's the Agile Thing to Do?

これからの「アジャイル」の話をしよう / What's the Agile Thing to Do?

Developers Summit 2011

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Fumihiko Kinoshita

February 18, 2011
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Transcript

  1. ͜Ε͔Βͷ ňΞδϟΠϧʼnͷ ࿩Λ͠Α͏ ͍·Λ ੜ͖ԆͼΔͨΊͷ ։ൃख๏ͱεΩϧ ໦Լ࢙඙ ג Ӭ࿨γεςϜϚωδϝϯτ GLJOPTIJUB!FTNDPKQ

    %FWFMPQFST4VNNJU ໨ࠇխঀԂ 'SJ "HJMF 8IBU`TUIF"HJMF5IJOHUP%P ʲ#ʳ
  2. ಥવ Ͱ͕͢

  3. ஫ҙࣄ߲ ͜ͷηογϣϯ͸ɺडୗ։ൃͷݱ৔ΛΞδϟΠϧʹ ͍ͯͯ͠ʢ΋͘͠͸ɺ͠Α͏ͱ͍ͯͯ͠ʣࢼߦࡨޡ ͠ͳ͕Β͕Μ͹͍ͬͯΔதݎͷਓʢ΋͘͠͸ɺͦͷ લޙͷਓʣΛগ͚ͩ͠ݩؾʹ͢ΔηογϣϯͰ͢ɻ ٕज़తͳ࿩͸͋Γ·ͤΜɻΞδϟΠϧϓϩηεͷ࿩ ΋͠·ͤΜɻস͏ͱ͜Ζ΋͍ͨͯ͋͠Γ·ͤΜɻ͜ ͷ਺೥ؒͰࢲࣗ਎ͷ਎ʹىͬͨ͜͜ͱΛ୶ʑͱ͓࿩ ͠͠·͢ɻ͋ͬɺͦΕ͔Βɺ৽͍͠ܖ໿ͷ࿩΋͋Γ ·͢ɻ

    ฉ͖͍ͨηογϣϯ͸͜ͷηογϣϯͰؒҧ͍ͳ͍ ͱ͍͏ํ͸ɺલͷํ͔Βॱ൪ʹֻ͓͚͍ͩ͘͞ɻ
  4. ͜Ε͔Βͷ ňΞδϟΠϧʼnͷ ࿩Λ͠Α͏ ͍·Λ ੜ͖ԆͼΔͨΊͷ ։ൃख๏ͱεΩϧ ໦Լ࢙඙ ג Ӭ࿨γεςϜϚωδϝϯτ GLJOPTIJUB!FTNDPKQ

    %FWFMPQFST4VNNJU ໨ࠇխঀԂ 'SJ "HJMF 8IBU`TUIF"HJMF5IJOHUP%P ʲ#ʳ
  5. None
  6. ँࣙ ؠ੾͞ΜɺUXBEB͞Μɺ QBQBOEB͞Μɺ91ࡇΓ ؔ੢ʹࢀՃ͞ΕͨΈ ͳ͞ΜɺLBLVUBOJ͞Μɺ LLE͞Μ

  7. ͜Μʹͪ͸

  8. ໦Լ࢙඙ Ͱ͢

  9. None
  10. ʮ໦Լ͞ΜʯͰ ݕࡧ͍ͯͩ͘͠͞ɻ

  11. ࣗݾ঺հ

  12. ੜۀ

  13. डୗ։ൃ

  14. None
  15. ͭͷ๧ࢠ

  16. ίϯαϧλϯτɾӦۀ ΞδϟΠϧͳ૊৫ӡӦΛ ໨ࢦ͢ܦӦ૚ɾϚωʔ δϟ૚΁ͷఏҊ

  17. ίʔν ΞδϟΠϧϓϥΫςΟε Λ࣮ફ͍ͯ͠Δݱ৔΁ͷ ࢦಋɾॿݴ

  18. ϓϩδΣΫτϚωʔδϟ ࣾ಺ͷ3VCZɾΞδϟΠ ϧؔ࿈ͷϓϩδΣΫτͷ Ϛωδϝϯτ

  19. ϥΠϯϚωʔδϟ ࣗࣾ୲౰άϧʔϓͷ૊৫ ӡӦ

  20. גࣜձࣾӬ࿨γεςϜϚωδϝϯτ αʔϏεϓϩόΠσΟϯάࣄۀ෦ ΞδϟΠϧάϧʔϓ άϧʔϓ௕

  21. தؒ؅ཧ৬

  22. ίʔν

  23. nawoto IUUQXXXqJDLSDPNQIPUPTUTFUP

  24. Ϛωʔδϟ

  25. ࠷લઢ

  26. None
  27. IUUQXXXqJDLSDPNQIPUPTLBLVUBOJJOTFU

  28. ෲΛͬͨ͘͘

  29. डୗ։ൃ Ϛωʔδϟ

  30. ΞδϟΠϧͰ ෲΛ͘͘ΔͱͲ͏ͳ Δͷ͔ʁ

  31. ུྺ

  32. ೥य़

  33. લ৬

  34. None
  35. ň୭΋޾ͤʹ ͳΒͳ͍ʼn

  36. ೥य़

  37. 91

  38. None
  39. ೥Ն

  40. IUUQXXXqJDLSDPNQIPUPTITCU

  41. ೥ळ

  42. None
  43. ೥Ն

  44. None
  45. None
  46. None
  47. None
  48. ೥ౙ

  49. IUUQXXXqJDLSDPNQIPUPTLBLVUBOJJOTFU

  50. ͍Ζ͍Ζ

  51. ͍·

  52. None
  53. None
  54. None
  55. ෲΛ͘͘Δͱ޾ͤʹ ͳΕΔʁ

  56. IUUQXXXFTNDPKQSFDSVJUIUNM

  57. Ӭ࿨γεςϜ Ϛωδϝϯτ ͷݱঢ়

  58. ೥౦ژࢧࣾ։ઃ ೥αʔϏεϓϩόΠσΟϯά ࣄۀ෦ ʙ೥ୈ࣍ϕϏʔϒʔϜ ೥--8( ೥ΞδϟΠϧάϧʔϓ

  59. ೥౦ژࢧࣾ։ઃ ೥αʔϏεϓϩόΠσΟϯά ࣄۀ෦ ʙ೥ୈ࣍ϕϏʔϒʔϜ ೥--8( ೥ΞδϟΠϧάϧʔϓ

  60. ✓ϝϯόʔͷ΍Γ͍ͨ͜ͱ ͕͓͟ͳΓʹͳ͍ͬͯΔ ർฐײ ✓ৗறܕϓϩδΣΫτʹΑ ΔҰମײͷܽ೗ ✓ଟ਺ͷୀ৬ऀɾҟಈऀ

  61. ೥౦ژࢧࣾ։ઃ ೥αʔϏεϓϩόΠσΟϯά ࣄۀ෦ ʙ೥ୈ࣍ϕϏʔϒʔϜ ೥--8( ೥ΞδϟΠϧάϧʔϓ

  62. IUUQXXXTMJEFTIBSFOFULBLVUBOJPSEJOBSZTZTUFNTEFWFMPQNFOU

  63. None
  64. Copyright (c) 2010 Eiwa System Management, Inc. ސ٬਺  

           ೥౓ ೥౓ ೥౓ ೥౓
  65. Copyright (c) 2010 Eiwa System Management, Inc. ϓϩδΣΫτ਺  

           ೥౓ ೥౓ ೥౓ ೥౓
  66. Copyright (c) 2010 Eiwa System Management, Inc. ച্  

           ೥౓ ೥౓ ೥౓ ೥౓ ʢ୯Ґɿඦສԁʣ
  67. 

  68. ཭৬཰

  69. ॱ෩ຬൕ

  70. ʁ

  71. ࣗݾ૊৫Խ

  72. Τϯύϫʔϝϯτ

  73. ࣄۀܭը

  74. ച্ ϛογϣϯ

  75. ࣄۀ੹೚

  76. ఻ΘΒͳ͞

  77. ňͪΌΜͱ ΍Γ·͢ʼn

  78. σΟϑΣϯγϒͳ ։ൃ

  79. Scope Cost Schedule Traditional Iron Triangle

  80. είʔϓΫϦʔϓ

  81. ަবྗ

  82. ΤϯυϢʔβʔ

  83. ϓϩμΫτ Φʔφʔݬ૝

  84. None
  85. None
  86. ਓ݄ύζϧ

  87. શྗͰ ݱঢ়ҡ࣋

  88. None
  89. ͨͱ͑͹ ਓ݄୯Ձ Λ͋͛Δ

  90. ಾ ͷ ด ࠹ ײ

  91. ৽͍͠ਓͷ ड͚ೖΕ

  92. ઈࢍืूத

  93. ·ͱΊΔͱ

  94. ຐ๏ͳΜͯͳ͍Α

  95. Ϛωʔδϟ

  96. Ϛωʔδϟͷ࢓ࣄ ো֐ΛऔΓআ͘

  97. ো֐ Impediment

  98. Կ΋͠ͳ͍ ଥڠ δϟϯϓ :࣠ 9࣠

  99. ্ͭͷϨϕϧʹߦ͘

  100. None
  101. None
  102. ࣾһͷϏδωεΞΠσΞ Λձ͕ࣾόοΫΞοϓ͢ Δࣗݾ࣮ݱϓϩάϥϜ

  103. ৽نϏδωε ૑ੜࣄۀ

  104. ৚݅ ňച্ʼnͱňίετʼn͕ൺྫ ͠ͳ͍ϏδωεϞσϧͰ ͋Δ͜ͱ

  105. None
  106. ύ ϯ υ ϥͷ჏      

    
  107. None
  108. None
  109. ιϑτ΢ΣΞ ։ൃͷܖ໿Λ ΞδϟΠϧʹ

  110. ͜Ε·ͰͷӬ࿨γεςϜ ϚωδϝϯτͰͷΞδϟ Πϧͳܖ໿ͷऔΓ૊Έ

  111. Copyright (c) 2010 Eiwa System Management, Inc. ιϑτ΢ΣΞ։ൃͷܖ໿ ੥ෛܖ໿ 

    ͋Β͔͡ΊఆΊͨ੒Ռ෺Λ׬੒͢Δ͜ͱ͕໨తͰ͋ Γɺ੒Ռ෺ʹରͯ͠ରՁ͕ൃੜ͠·͢ɻ ҕ೚ܖ໿  ஌ࣝ΍࿑ಇྗͱ͍ͬͨαʔϏεΛఏڙ͢Δ͜ͱ͕໨త Ͱ͋Γɺఏڙͨ͠αʔϏεͷׂ߹ ࡞ۀͨ࣌ؒ͠ͳͲ ʹԠͯ͡ରՁ͕ൃੜ͠·͢ɻ
  112. Copyright (c) 2010 Eiwa System Management, Inc. ࠷খݶͷείʔϓΛ໿ଋ͢Δ ੥ෛܖ໿ 

    શମͷείʔϓΛܖ໿ஈ֊Ͱ͸໿ଋͤͣʹɺ࠷খݶ ઈରඞਢ ͷείʔϓΛ໿ଋ ͠ɺͦΕҎ֎ͷ෦෼͸ਵ࣌ௐ੔ͱ͢Δɻ  શମ૾͸΅Μ΍Γ͍ͯ͠Δ͕ɺ࠷௿ݶ࡞Γ͍ͨ΋ͷ͸͸͖ͬΓ͍ͯ͠Δ৔߹ʹ༗ ޮɻ  ड஫ऀ͕ൃ஫ऀ͔Β͍͔ʹ৴པ͞Ε͍ͯΔ͔ͱ͍͏఺͕ϙΠϯτʹͳΔɻ ࠷খݶͷείʔϓ
  113. Copyright (c) 2010 Eiwa System Management, Inc. ػೳຖͷ੥ෛܖ໿ ػೳ" ػೳ#

    ػೳ$ ػೳ%  γεςϜશମΛʙਓ݄͘Β͍ͷػೳʹ෼ׂ͠ɺ༏ઌ౓ͷߴ͍΋ͷ͔Βܖ໿͠ ͍ͯ͘ɻ  ޒ݄Ӎࣜʹணख͍ͯͨ͘͠Ίɺෳ਺ͷܖ໿͕ಉ࣌ʹ૸Δ͜ͱ΋͋Δɻ
  114. Copyright (c) 2010 Eiwa System Management, Inc. ୹ظͷ੥ෛܖ໿ ʙϲ݄ 

    ʙϲ݄୯ҐͰ੒Ռ෺Λنఆ͢Δɻ  શମ૾͸΅Μ΍Γ͍ͯ͠Δ͕ɺ୹ظతʹ࡞Γ͍ͨ΋ͷ͸͸͖ͬΓ͍ͯ͠Δ৔߹ʹ ༗ޮɻ  ᘥᙪ୲อ੹೚͸͢΂ͯͷ։ൃ͕׬͔ྃͯ͠Β೥ؒɻ
  115. Copyright (c) 2010 Eiwa System Management, Inc. ୹ظͷ४ҕ೚ܖ໿ ʙϲ݄ 

    ॳظ։ൃ͕ͻͱͱ͓Γམͪண͖ϝϯςφϯεϑΣʔζʹೖͬͨϓϩδΣΫτͰଟ ͘࠾༻͞Ε͍ͯΔɻ  ͨͱ͑ϲ݄Ͱ΋੒Ռ෺Λ໌֬ʹنఆ͢Δ͜ͱ͕೉͍͠ϓϩδΣΫτʹ༗ޮɻ  ਵ্͕࣌ͬͯ͘ΔϢʔβʔ͔Βͷཁ๬ʹԠ͍͑ͯ͘͜ͱ͕Մೳɻ  ൃ஫ऀͱड஫ऀͷ৴པؔ܎͕Ͱ͖͍ͯΔ͜ͱ͕ඞཁɻ
  116. Կ΋͠ͳ͍ ଥڠ δϟϯϓ :࣠ 9࣠

  117. None
  118. Copyright (c) 2010 Eiwa System Management, Inc. αʔϏε֓ཁ γεςϜΛॳظඅ༻ԁͰఏ ڙ͠·͢ɻ

    αʔϏεར༻ྉΛ݄ʑ͓ࢧ෷ ͍͍͍͖ͩͨ·͢ɻ
  119. Copyright (c) 2010 Eiwa System Management, Inc. എܠ Point of

    Sales Point of Use q q t t ࡞ͬͨͱ͖͕࠷ߴ඼࣭ ੡଄ ঈ٫ ࢖͍ͬͯΔͦͷͱ͖͕࠷ߴ඼࣭ ੡଄ αʔϏε ॴ༗͔Βར༻΁ ͓٬͞·͸γεςϜΛʮॴ༗ʯ͍ͨ͠ͷͰ͸ͳ ͘ɺγεςϜ͕΋ͨΒ͢αʔϏεΛʮར༻ʯͨ͠ ͍ɻ αʔϏε͕͓٬͞·ʹՁ஋Λఏڙ͢Δͷ͸ೲ඼͠ ͨॠؒͰ͸ͳ͘ɺ͓٬͞·͕αʔϏεΛར༻ͯ͠ ͍Δ͍͋ͩܧଓతʹɻ ैདྷͷγεςϜΛ੡଄͢Δͱ͍͏ൃ૝͔ΒɺαʔϏεΛ ఏڙ͢Δͱ͍͏ൃ૝ʹγϑτ͠·͢ɻ
  120. Copyright (c) 2010 Eiwa System Management, Inc. ैདྷܕͷαʔϏεɾܖ໿ͱͷൺֱ ຊαʔϏε Ұׅडୗ

    4BB4 ύοέʔδ ࢧ෷͍ ΧελϚΠζՄ ೳੑ ސ٬ཁ๬ʹΑΔ ػೳ௥Ճ อकɾαϙʔτ ༻్ɾ෼໺ ֹ݄෷͍ ೲ඼࣌ʹҰׅ෷͍ ֹ݄෷͍ ೲ඼࣌ʹҰׅ෷͍ɺ ΋͘͠͸ɺֹ݄෷͍ ΦʔμʔϝΠυʢ͓٬ ͞·ຖʹΧελϚΠζ Մೳʣ ΦʔμʔϝΠυʢ͓٬ ͞·ຖʹΧελϚΠζ Մೳʣ Մೳͳ৔߹΋͋Δ͕ɺ جຊతʹ͸೉͍͠ Մೳͳ৔߹΋͋Δ͕ɺ جຊతʹ͸೉͍͠ ֹ݄අ༻ͷதͰରԠɺ ௥Ճඅ༻Λ෷͏͜ͱͰ େ͖ͳػೳ௥Ճ΋Մೳ ௥Ճඅ༻Λ෷͑͹Մೳ جຊతʹະରԠ جຊతʹະରԠ ֹ݄අ༻ͷதʹอकɾ αϙʔτ΋ؚ·ΕΔ ผ్ɺอकܖ໿Λ݁Ϳ ඞཁ͕͋Δ ֹ݄අ༻ͷதʹอकɾ αϙʔτ΋ؚ·ΕΔ ผ్ɺอकܖ໿Λ݁Ϳ ඞཁ͕͋Δ ಛघͳۀ຿ɾαʔϏε ಛघͳۀ຿ɾαʔϏε ൚༻తͳۀ຿ɾαʔϏ ε ൚༻తͳۀ຿ɾαʔϏ ε
  121. Copyright (c) 2010 Eiwa System Management, Inc. ͓٬͞·ʹͱͬͯͷϝϦοτ  ॳظ౤ࢿ͕ෆཁͳͨΊɺ·ͱ·ͬͨࢿۚΛௐୡ͢Δඞཁ͕͋Γ·

    ͤΜɻ  Ұఆྔͷ௥Ճ։ൃʹ͍ͭͯ͸αʔϏεར༻ྉͷൣғͰରԠͰ͖Δ ͨΊɺ௥Ճ։ൃͷ౓ʹࣾ಺ܾࡁΛ௨͍͖ͯͨͩ͠ɺܖ໿͢Δͱ͍ ͏໘౗ͳखଓ͖Λ౿Ήඞཁ͕͋Γ·ͤΜɻ  ܧଓͯ͠ϝϯςφϯεʢඞཁͳػೳͷ௥Ճ։ൃ΍ෆཁͳػೳͷ࡟ আʣΛ͠ଓ͚·͢ͷͰɺ୹ظతʹϦϓϨΠεΛ܁Γฦ͢͜ͱͳ ͘ɺγεςϜΛ௕͘࢖͍ͬͯͨͩ͘͜ͱ͕Ͱ͖·͢ɻ  ຖ݄ɺඅ༻ରޮՌΛଌఆ͠ɺޮՌ͕ͳ͚Ε͹͙͢ʹࢭΊΒΕ·͢ ʢख਺ྉͳ͠Ͱղ໿Ͱ͖·͢ʣɻ
  122. ॳظඅ༻ԁ ֹ݄ྉۚ  ैདྷͷҰׅ੥ෛܖ໿ͷΑ͏ʹɺೲ඼࣌ʹ·ͱΊͯඅ༻Λ͓ࢧ෷͍͍ͨͩ͘ඞཁ ͕͋Γ·ͤΜɻ  ͓٬͞·͔Βཁ݅Λ͓ฉ্͖ͨ͠ͰγεςϜن໛Λ൑அ͠ɺϓϥϯΛܾఆ͠· ͢ɻ  ϋʔυ΢ΣΞඅ༻͸্هྉۚʹؚ·Ε͓ͯΓ·ͤΜɻ͓٬͞·ͷγεςϜͷߏ

    ੒ʹ߹Θͤͯผ్͝ఏҊ͍͖ͤͯͨͩ͞·͢ɻ Copyright (c) 2010 Eiwa System Management, Inc. Ձ֨ମܥ ϓϥϯ ྉۚʢϲ݄͋ͨΓʣ ϓϥϯ44 ઍԁ ϓϥϯ4 ઍԁ ϓϥϯ. - -- ઍԁʙ ઍԁΛ༧ఆ
  123. None
  124. Scope Cost Schedule Traditional Iron Triangle

  125. Scope Cost Schedule Quality Value Constraints Agile Iron Triangle

  126. Ծઆ γεςϜͷՁ஋͸ɺͦ ͷγεςϜ͕ͲΕ͚ͩ ௕͘࢖ΘΕ͔ͨͰ͸͔ ΕΔ

  127. Scope Cost Schedule Quality Value Constraints Agile Iron Triangle

  128. Copyright (c) 2010 Eiwa System Management, Inc. อकɾαϙʔτ ϓϥϯʹԠͯ͡ຖ݄ɺԼهͷຕ਺ͷνέοτ Λൃߦ͠·͢ɻ

     νέοτͰ೔ఔ౓ͷอकɾαϙʔτରԠ͕ՄೳͰ͢ɻ  ඞཁʹԠͯ͡ผ్νέοτΛ͝ߪೖ͍ͨͩ͘͜ͱ΋ՄೳͰ͢ɻ ϓϥϯ νέοτຕ਺ ϓϥϯ44 νέοτ ϓϥϯ4 νέοτ ϓϥϯ4 . - -- ʙνέοτͷ༧ఆ
  129. εϞʔϧελʔτ

  130. Copyright (c) 2010 Eiwa System Management, Inc. ղ໿ ղ໿ख਺ྉɿͳ͠ʢར༻೥਺ʹΑΒͳ͍ʣ ղ໿࣌ʹγεςϜҰࣜʢϋʔυ΢ΣΞɾιϑτ

    ΢ΣΞҰࣜʣΛฦ٫͍͖ͯͨͩ͠·͢ɻ σʔλϕʔεʹ஝ੵ͞Ε͓ͨ٬͞·ͷσʔλʹ ͍ͭͯ͸ɺ͓٬͞·ʹखݩʹ࢒͠·͢ɻ
  131. ňͪΌΜͱ ΍Γ·͢ʼn

  132. Copyright (c) 2010 Eiwa System Management, Inc. ݖརؔ܎ ຊαʔϏεͰ͸γεςϜΛϨϯλϧ͢Δͱ͍͏ ܗଶΛͱΔͨΊɺιϑτ΢ΣΞͷஶ࡞ݖ͸౰

    ࣾʹؼଐ͠·͢ɻ  ఏڙ͢Δͷ͸͋͘·Ͱ΋γεςϜΛ࢖ͬͨαʔϏεͰ ͋ΓɺγεςϜͦͷ΋ͷͰ͸͋Γ·ͤΜɻ  ιʔείʔυ͸ೲ඼͠·ͤΜɻ
  133. ࣾ಺ͷ൓Ԡ

  134. ͦΜͳܖ໿Ͱ େৎ෉͔ʁ

  135. None
  136. ϛυϧ Ξοϓμ΢ϯ

  137. ϛυϧΞοϓ

  138. ϛυϧμ΢ϯ

  139. None
  140. ܽؕͷ༧๷ ػೳ௥Ճ ઃܭͷॏࢹ ͨΏ·͵ચ࿅ όάϑΟοΫε ಈ͘ιϑτ΢ΣΞ

  141. ϦεΫ

  142. ҙࢤܾఆΛ͢Δͱ͍͏͜ͱ͸ɺ ϦεΫΛ๯͢͜ͱͰ͋Δɻ Š1'υϥοΧʔ

  143. ϦεΫΛօແʹ͢Δ͜ͱ͸ෆໟ Ͱ͋Δɻ࠷খʹ͢Δ͜ͱ΋ٙ໰ Ͱ͋ΔɻಘΔ΂͖੒Ռͱൺֱ͠ ͯ๯͢΂͖ϦεΫͱ͍͏΋ͷ͕ ඞͣ͋Δɻ Š1'υϥοΧʔ

  144. None
  145. ͝ใࠂ

  146. ࠷ޙʹ

  147. ňΞδϟΠϧͳߦ͍ʼn ͱ͸Կ͔ʁ

  148. ༏Εͨن཯ΛकΔ ίϛοτϝϯτΛ͢Δ આ໌੹೚ΛՌͨ͢ ౰ࣄऀҙࣝΛ࣋ͭ ࢧԉΛٻΊΔεΩϧ ཰ઌͯ͠෺ࣄΛਐΊΔ ݫ͍͠؀ڥͰ΋࢓ࣄΛָ͠Ή͜ͱ ৽͍͠ঢ়گ΍࿮૊ΈʹྟػԠมʹదԠ͢Δ ҙݟ΍ཱ৔ͷҧ͍ΛೝΊཧղ͢Δ ࣌ؒ؅ཧೳྗ

    ަবྗ Ϧʔμʔγοϓ ηʔϑςΟωοτ ಉ྅͔ΒֶͿͨΊͷਖ਼͍͠ଶ౓ ଟ༷ੑΛϚωδϝϯτ͢Δ
  149. Ξ δ ϟ Π ϧ ͸೉͍͠

  150. ΤΫετϦʔϜ ϓϩάϥϛϯά

  151. XP is about social change. 91ͱ͸ਓͱਓͷͭͳ͕Γͷ ͋Γ͔ͨΛม͍͑ͯ͘͜ͱ —Kent Beck

  152. #V[[8PSE

  153. ૊৫ ձࣾ ࣄۀ՝୊ Ӧۀతͳ ܖ໿తͳ Ϗδωε εʔπ ༐ؾ ৴པ ίϛϡχέʔγϣϯ

  154. None
  155. ෲΛ͘͘Δͱ޾ͤʹ ͳΕΔʁ

  156. ຐ๏ͳΜͯͳ͍

  157. None
  158. None