"By their very nature, social networks were created to bring people together using collective intelligence in the spirit of online collaboration. Allowing individuals or groups of individuals to collaborate by creating web content together, which can be organized, indexed, edited or commented on, combining it with personal creations. Thanks to the evolution, social networks have become an important communication in a development strategy for a company. As for real estate, searches will be done primarily through search engines and therefore ultimately on websites. It will therefore be interesting to know what could be the link between social networks and real estate to communicate. That's why I was interested in these two parts, so this book will consequently focus on a major issue: How to use social networks as a marketing lever for real estate agencies? "