1. 2015-07-30 [1] [Edu-sig] OSCON: Lessons Learned Kirby Urner 2. 2015-07-30 [4] [Edu-sig] trails through the ecosystem: lang kirby urner 3. 2015-07-13 [1] [Edu-sig] Infrastructure Issues (typo + brok kirby urner 4. 2015-07-06 [1] [Edu-sig] Fairwell PyKata David MacQu