Andi 
(25)
if you're wondering what I wrote my #RubyWorld toots on... it's my new Sony Xperia 1 VI and my trusty japanese bluetooth keyboard 3E-BKY8 plus the pebble mouse 2!
Using Android with a mouse makes things so much easier. Also either Sony or Stock Android made some nice improvements to multiwindow functionality
Closing Ceremony
Hiroshi Inoue
[Vice Chairperson of Executive Committee]
We are now having the closing session with a message from Matz, thanks to Shimane prefecture. thanks to the sponsor NaCL ANDPAD TOKIUM and more. #rubyworld
One Year of Optimization and Refactoring Practices at chocoZAP
Koki Arai
RIZAP TECHNOLOGIES,Inc.
Talking about refactoring.
15:30-15:40
Creating family happiness with Ruby: Lookmee's challenge
Shizuka Kakimoto（Unifa Inc.）
They are making products for the childcare industry
15:20-15:30
Utilization of Fiber in the freee Invoice Product
Hayao Kimura（freee K.K.）
Now coffee break at #rubyworld
How Ruby Boosts Young Innovative Creators In The MITOU Junior Program
Yohei Yasukawa
Mitou Foundation/Mitou Junior・Mentor
The author of railsguides.jp and other initiatives like coderdojo in japan is giving us a talk about bright minds and how to mentor them.
Also, do we also have to use rails: no. If its me jekyll works too.
jr.mitou.org
#ruby #rubyworld
Ensure that core service data migrates uninterrupted
Hayato Yamashita
STORES, Inc./Engineering Manager
They solved the issue of how to make sure data migrates after changes, by using a feature flag, but check if the new and old orders are equal.
Introducing pitchfork as a traffic spike countermeasure
Sim Sangyong (shia) talking about how to reduce latency in times with a lot of traffic
