WalkinWiFi™ provides totally free of charge Wi-Fi internet access to members of the public, across a national network, in return for their agreement to be marketed to, via e-mail and text message, by the location at which they first register for use of the system. WalkinWiFi™ then provides a web based marketing message delivery suite for the location to be able to simply and cost effectively send out offers and updates to encourage customers to return to site.