Credits ======= Copyright © 2015-present, `Feihong Hsu `_. Content is licensed under the `Creative Commons Attribution 4.0 license `_. Tutorial testers: Chiao Hsieh, Angela Hsu, Kim Dai Puzzle hunt app testers: Angela Hsu, Kim Dai, Chiao Hsieh, Kim Leung, Bill Stranberg, Hollina Ung Thanks to Maria Selvaggio and Angela Hsu for being assistants during the workshop. Special thanks to `Sandor Weisz `_ for inspiring the theme of the tutorial.