Anecdotally, they do have some very strong direct/organic traffic based on word of mouth and brand awareness (that doesn't mean zero CAC of course) I don't kno

Anecdotally, they do have some very strong direct/organic traffic based on word of mouth and brand awareness (that doesn't mean zero CAC of course) I don't know where this derives its data from, but it seems to support it: http://www.similarweb.com/website/airbnb.com#overview http://www.similarweb.com/website/airbnb.com#overview