WiFi Management System and Network Marketing. Rayfi is a platform which is based on wifi network connection and helps business owners have a better perspective on their costumers and their needs. When a client connects to the internet through a free wifi to which needs no password to access, a window pops up on his phone showing a webpage that can be customized by business owners. For instance, a restaurant webpage may include different options such as menu, staff profiles and various surveys which can simply be monitored by the manager through his panel. Also, the customers' information, survey results and etc can be seen to provide businesses the opportunity of making effective decisions according to their customers' needs, likes and dislikes.