From swiftlet bird nests to electronic waste, we traveled the world to learn about surprising, billion-dollar industries. 0:00 Intro 00:36 Tuna 08:56 Swiftlet nests 19:46 Used watches 32:32 Aloe vera extract 41:35 Electronic waste 50:38 Açaí 1:02:13 Fast-food Advertising 1:11:31 Instant noodles 1:18:27 Lithium batteries 1:33:23 Phone repairs 1:38:32 Pool cleaning 1:44:45 Polystyrene foam 1:51:45 Himalayan Salt 2:00:06 Cut flowers 2:06:30 Shea butter 2:15:15 Teeth whitening 2:22:17 Snail slime 2:30:54 Soap 2:37:15 Wigs 2:44:46 Wine corks 2:49:15 Latex mattresses 2:59:09 Gemstones 3:09:43 Pearls 3:18:23 Crawfish MORE BIG BUSINESS VIDEOS: Big Business Season 1 Marathon https://www.youtube.com/watch?v=pbG3EeYnXQ0 21 Fascinating Industries Around The World | Big Business | Insider Business https://www.youtube.com/watch?v=o9kMAEyjpQI 23 Fascinating Jobs Around The World | Big Business | Insider Business https://www.youtube.com/watch?v=RThSD70hiTg ------------------------------------------------------ #billiondollarindustry #BigBusiness #insiderbusiness Business Insider tells you all you need to know about business, finance, tech, retail, and more. Visit our homepage for the top stories of the day: https://www.businessinsider.com/ Insider Business on Facebook: https://www.facebook.com/businessinsider Insider Business on Instagram: https://www.instagram.com/insiderbusiness Insider Business on Twitter: https://www.twitter.com/businessinsider Insider Business on Snapchat: https://www.snapchat.com/discover/Business_Insider/5319643143 Insider Business on TikTok: https://www.tiktok.com/@businessinsider 24 Surprising Billion-Dollar Industries | Big Business | Insider Business