Love hotel bookings app Yanolja has just become South Korea’s latest $1 billion start-up. But what has everyone so hot for love hotels? CNBC Make It’s Karen Gilchrist heads to Seoul to find out. 🏩 ----- Subscribe to us on YouTube: cnb.cx/2wuoARM Subscribe to CNBC International TV on YouTube: cnb.cx/2NGytpz Like our Facebook page: www.facebook.com/cnbcinternational Follow us on Instagram: www.instagram.com/cnbcinternational/ Follow us on Twitter: twitter.com/CNBCi #CNBC #MakeIt #StartUp