The concept behind couchsurfing arose in 2000 when an American named Casey Fenton found a very cheap flight from Boston to Iceland online. But he had to use the ticket within four days.
「沙發衝浪」理念始自一個美國大男生凱西．范頓，熱愛旅行的他，在 2000 年時，有天從網路上標到了一張從波士頓飛往冰島的超便宜機票，但規定 4 天後就得出發。