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.forbes.com/sites/lukefitzpatrick/2019/03/07/expedia-a-cautionary-tale-for-cryptocurrency-in-travel/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNFiT4Ue81e_gcZ52EMFv-0SgJ9EDQ
