The document discusses using mobile marketing to promote health clubs. It notes that most people now own mobile devices and use them frequently. Mobile marketing allows health clubs to send members promotional texts with special offers, event reminders, and location details. A case study shows that a furniture store generated over $100,000 in revenue from two SMS campaigns, with SMS recipients spending on average $14.33 each versus $1.84 from email recipients. The document encourages building an opt-in database and using texts to drive traffic and engagement with members.