This is all part of an effort from Facebook to make the groups more transparent and give a chance to group admins to see how many unwilling members their group(s) have.
Those good old times are long gone when buyers were looking for properties in newspaper advertisements or calling real estate agents based on telephone books. These methods had been replaced by online searching so it is essential for an agency to be present on the social media platforms and use the online and offline possibilities given by 21st century.
