BnB take beds from Hotels

Seems to be a powerful new partner in the travel and tourism industry.  The BnB, especially the one called https://www.airbnb.com/

This is not with out some concern, since local residents of apartments and houses may not realize their neighbor is actually renting rooms.  This is a particular problem in urban areas with a night life where the temporary tenants return "home" after a late night of partying.  Further there is a concern about lost tax revenue.

But just like the Uber Taxis, the market drives the competition.  But we will likely see some sort of regulation, especially if the big guys (e.g., Intercontinental Hotel Group) feel threatened?