Many professional people in a variety of different vocations use online networking sites that are open to the public as their business presence online and a private account that is closed to everyone but their family and close friends as their personal account where they can express themselves freely. This strategy allows them the freedom of expression while still maintaining their professional image that is so productive for gaining new clients.
There is little to indicate that Kenna & Co. Real Estate has anything to do with the site besides a small reference link at the bottom, but it has managed to call attention to their business to the point where someone using the Highland Ranch Pets site has felt encouraged to seek them out.