coscup-matterbot says to #coscup <DennyHuang> https://flickr.com/photos/sitcon/22775367263/in/album-72157649331487878 (re @DennyHuang: 一小時學程式活動 SITCON 從 2014 就在做 是給年紀更小的入門理解運算思維的活動