by Yehuda Katz
at RubyConf 2012 on Nov 1st, 2012

by Tony Arcieri
at RubyConf 2012 on Nov 2nd, 2012

by Austin Vance
at RubyConf 2012 on Nov 2nd, 2012

by Matt Aimonetti
at RubyConf 2012 on Nov 2nd, 2012

by Yukihiro 'Matz' Matsumoto
at RubyConf 2012 on Nov 1st, 2012

by Noel Rappin
at RubyConf 2012 on Nov 3rd, 2012

by Koichi Sasada
at RubyConf 2012 on Nov 1st, 2012

by Yukihiro 'Matz' Matsumoto
at RubyConf 2012 on Nov 3rd, 2012

by Rich Kilmer
at RubyConf 2012 on Nov 2nd, 2012

by Andrew Nordman
at RubyConf 2012 on Nov 3rd, 2012

by Joseph Wilk
at RubyConf 2012 on Nov 1st, 2012

by Yurie Yamane , Masayoshi Takahashi & Yuichiro MASUI
at RubyConf 2012 on Nov 3rd, 2012

by Mike Perham
at RubyConf 2012 on Nov 2nd, 2012

by Thomas Enebo & Charles Nutter
at RubyConf 2012 on Nov 1st, 2012

by Craig Muth
at RubyConf 2012 on Nov 2nd, 2012

by Jesse Cooke
at RubyConf 2012 on Nov 1st, 2012

by Tom Lee
at RubyConf 2012 on Nov 3rd, 2012

by Bryan Liles
at RubyConf 2012 on Nov 3rd, 2012

by Rodrigo Franco
at RubyConf 2012 on Nov 3rd, 2012

by Akira Matsuda
at RubyConf 2012 on Nov 1st, 2012

by Dr. Nic Williams
at RubyConf 2012 on Nov 2nd, 2012

by Davy Stevenson
at RubyConf 2012 on Nov 2nd, 2012

by Josh Susser
at RubyConf 2012 on Nov 3rd, 2012

by Keavy McMinn
at RubyConf 2012 on Nov 2nd, 2012

by Loren Segal
at RubyConf 2012 on Nov 3rd, 2012

by Jesse Storimer
at RubyConf 2012 on Nov 2nd, 2012

by Brian Ford
at RubyConf 2012 on Nov 1st, 2012

by Joseph Ruscio
at RubyConf 2012 on Nov 1st, 2012

by Michael Bleigh
at RubyConf 2012 on Nov 1st, 2012

by Sarah Mei
at RubyConf 2012 on Nov 3rd, 2012

by Hiroshi Nakamura
at RubyConf 2012 on Nov 1st, 2012

by Josh Kalderimis
at RubyConf 2012 on Nov 1st, 2012

by Kerri Miller
at RubyConf 2012 on Nov 1st, 2012

by Makoto Inoue & Masatoshi Seki
at RubyConf 2012 on Nov 2nd, 2012

by Tammer Saleh & Randall Thomas
at RubyConf 2012 on Nov 2nd, 2012

by Martin Boßlet
at RubyConf 2012 on Nov 3rd, 2012

by Chris Hunt
at RubyConf 2012 on Nov 1st, 2012

by Gary Bernhardt
at RubyConf 2012 on Nov 3rd, 2012

by Aaron Patterson
at RubyConf 2012 on Nov 2nd, 2012

by Rein Henrichs
at RubyConf 2012 on Nov 2nd, 2012

by Matt Duncan
at RubyConf 2012 on Nov 1st, 2012

by Nick Muerdter
at RubyConf 2012 on Nov 1st, 2012

by Jim Weirich
at RubyConf 2012 on Nov 2nd, 2012

by Ben Orenstein
at RubyConf 2012 on Nov 1st, 2012

by Pat Shaughnessy
at RubyConf 2012 on Nov 1st, 2012

by Joshua Ballanco
at RubyConf 2012 on Nov 2nd, 2012

by Ryan Weald
at RubyConf 2012 on Nov 1st, 2012