Up until now, checking in to an Airbnb listing was one of the sloppiest, most human components of the Airbnb user flow. Hosts would point guests to their check-in instructions on their listing page, or send instructions to guests about how to get the key, notes about how to enter the building and listing, and other useful check-in information. In fact, Airbnb says that check-in was one of the primary uses for photos in Airbnb messages. Given all the redundancy in messaging each individual guest, hosts started to create their own docs or PDFs with clear instructions to send to guests. But Airbnb is finally stepping in with a helping hand. Get the full story at TechCrunch