작성중
http://consensus.hankyung.com/apps.analysis/analysis.downpdf?report_idx=569922
https://decisionslab.unl.edu/pubs/hammerstein_stevens_2012.pdf
https://a16z.com/2020/02/06/100-true-fans/
https://firstround.com/review/speed-as-a-habit/
https://medium.com/the-year-of-the-looking-glass/how-to-make-things-high-quality-f466f875227d
https://news.joins.com/article/23638085