Hadzup is a service that can help you to send campaigns directly to the mobile phone of your community as "notifications". Notifications have a 98% read-rate compared with only 20% for email, 29% for twitter, and 12% for facebook posts.
You can reach thousands or millions of members on their mobile phone anywhere in the world in real-time. Also benefit from analytic statistics about members and campaign performance.
Hadzup is similar to SMS text messages but is more powerful, includes images, and all without the cost, Hadzup is a free service.