by Colin Fulton
at RubyConf 2017 on Nov 17th, 2017

by Sandi Metz
at RubyConf 2017 on Nov 17th, 2017

by Yukihiro 'Matz' Matsumoto
at RubyConf 2017 on Nov 15th, 2017

by Anjuan Simmons
at RubyConf 2017 on Nov 16th, 2017

by Andrew Metcalf
at RubyConf 2017 on Nov 16th, 2017

by Yukihiro 'Matz' Matsumoto & Evan Phoenix
at RubyConf 2017 on Nov 17th, 2017

by Takashi Kokubun
at RubyConf 2017 on Nov 17th, 2017

by Claudio B
at RubyConf 2017 on Nov 16th, 2017

by Louisa Barrett
at RubyConf 2017 on Nov 16th, 2017

by Tim Mertens
at RubyConf 2017 on Nov 16th, 2017

by Jim Remsik , Rich Kilmer , Nadia Odunayo , Michael Hartl & Allison McMillan
at RubyConf 2017 on Nov 17th, 2017

by Jason Clark
at RubyConf 2017 on Nov 16th, 2017

by Nate Berkopec
at RubyConf 2017 on Nov 15th, 2017

by Jessica Rudder
at RubyConf 2017 on Nov 16th, 2017

by Aaron Patterson
at RubyConf 2017 on Nov 17th, 2017

by Kenta Murata
at RubyConf 2017 on Nov 17th, 2017

by Jeremy Flores
at RubyConf 2017 on Nov 17th, 2017

by Thomas Enebo & Charles Nutter
at RubyConf 2017 on Nov 16th, 2017

by Kelsey Pedersen
at RubyConf 2017 on Nov 15th, 2017

by Caleb Thompson
at RubyConf 2017 on Nov 16th, 2017

by Heidi Helfand
at RubyConf 2017 on Nov 16th, 2017

by Prasun Anand
at RubyConf 2017 on Nov 16th, 2017

by Yurie Yamane & Masayoshi Takahashi
at RubyConf 2017 on Nov 16th, 2017

by Olivier Lacan
at RubyConf 2017 on Nov 15th, 2017

by Soutaro Matsumoto
at RubyConf 2017 on Nov 16th, 2017

by Tom Black
at RubyConf 2017 on Nov 15th, 2017

by Catherine Meyers
at RubyConf 2017 on Nov 17th, 2017

by Jan Lelis
at RubyConf 2017 on Nov 15th, 2017

by Alex Wheeler
at RubyConf 2017 on Nov 15th, 2017

by Tara Scherner De La Fuente
at RubyConf 2017 on Nov 15th, 2017

by Aja Hammerly
at RubyConf 2017 on Nov 15th, 2017

by Jacob Stoebel
at RubyConf 2017 on Nov 17th, 2017

by Sebastian Sogamoso
at RubyConf 2017 on Nov 17th, 2017

by Minqi Pan
at RubyConf 2017 on Nov 15th, 2017

by Heidi Waterhouse
at RubyConf 2017 on Nov 17th, 2017

by Chad Fowler
at RubyConf 2017 on Nov 15th, 2017

by Daniel Vartanov
at RubyConf 2017 on Nov 17th, 2017

by Haseeb Qureshi
at RubyConf 2017 on Nov 16th, 2017

by Stafford Brunk
at RubyConf 2017 on Nov 17th, 2017

by Noel Rappin
at RubyConf 2017 on Nov 16th, 2017

by Betsy Haibel
at RubyConf 2017 on Nov 17th, 2017

by Tom Stuart
at RubyConf 2017 on Nov 16th, 2017

by Valerie Woolard Srinivasan
at RubyConf 2017 on Nov 16th, 2017

by Shibata Hiroshi
at RubyConf 2017 on Nov 16th, 2017

by Eric Weinstein
at RubyConf 2017 on Nov 15th, 2017

by Jason Charnes
at RubyConf 2017 on Nov 15th, 2017

by Kevin Deisz
at RubyConf 2017 on Nov 16th, 2017

by Max Jacobson
at RubyConf 2017 on Nov 15th, 2017

by
at RubyConf 2017 on Nov 16th, 2017

by Megan Tiu
at RubyConf 2017 on Nov 15th, 2017

by Dorothy Jane Wingrove
at RubyConf 2017 on Nov 15th, 2017

by Adam Cuppy & Julia Cuppy
at RubyConf 2017 on Nov 17th, 2017

by Sam Aarons
at RubyConf 2017 on Nov 15th, 2017

by Kevin Menard
at RubyConf 2017 on Nov 15th, 2017

by Mark Simoneau
at RubyConf 2017 on Nov 17th, 2017

by John Feminella
at RubyConf 2017 on Nov 15th, 2017

by Thursday Bram
at RubyConf 2017 on Nov 16th, 2017

by Daniel Azuma
at RubyConf 2017 on Nov 16th, 2017

by Eileen Uchitelle
at RubyConf 2017 on Nov 16th, 2017

by Justin Searls & Josh Greenwood
at RubyConf 2017 on Nov 15th, 2017

by Zachary Schroeder
at RubyConf 2017 on Nov 15th, 2017

by Caroline Taymor
at RubyConf 2017 on Nov 16th, 2017

by Andrew Faraday
at RubyConf 2017 on Nov 16th, 2017

by André Arko
at RubyConf 2017 on Nov 16th, 2017

by Andy Croll
at RubyConf 2017 on Nov 16th, 2017

by Sam Phippen
at RubyConf 2017 on Nov 17th, 2017

by Jeff Sacks
at RubyConf 2017 on Nov 15th, 2017

by Yusuke Endoh
at RubyConf 2017 on Nov 17th, 2017

by Ashley Ellis Pierce
at RubyConf 2017 on Nov 15th, 2017