Expedia started accepting bitcoin for hotel payments in 2014, and for a long time they were a prime example of mainstream cryptocurrency usage.
source https://www.google.com/url?rct=j&sa=t&url=https://www.freedomsphoenix.com/News/257397-2019-03-09-expedia-a-cautionary-tale-for-cryptocurrency-in-travel.htm&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFEeBhWI6UJiv9BqivAZWXjHp3J6Q
