ref:

https://edition.cnn.com/travel/article/taiwan-bubble-tea-origins/index.html

https://www.instagram.com/bobaguys/

https://twitter.com/search?q=boba%20shortage&src=typeahead_click

https://www.businessinsider.com/boba-shortage-could-make-bubble-tea-hard-to-find-us-2021-4

https://www.npr.org/sections/thesalt/2016/03/22/471448393/bubble-tea-is-back-with-a-vengeance

https://twitter.com/lnachman32/status/1189145343985799169?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1189145343985799169%7Ctwgr%5E%7Ctwcon%5Es1_&ref_url=https%3A%2F%2Fwww.cnn.com%2Ftravel%2Farticle%2Ftaiwan-bubble-tea-pizza-intl-hnk%2Findex.html

https://www.hitc.com/en-gb/2021/04/14/boba-tea-shortage/?amp=