http://www.txtimpact.com/SubscriptionLists.asp Text-to-Join sms marketing module allow mobile users to opt-in to the text message subscription list and receive promotional text messages. For example a Pizza shop or salon can start a Mobile VIP Club and invite it's customers to opt-in to receive special discounts, and coupons. How to setup Text-to-Join Campaign? •More business: Text-2-Join makes it easier for customers to sign up for your contact list – a bigger list means more potential customers •Set and Forget: Once you set up Text-to-Join program, you're done. Customer's contact info will be added automatically to your list when they text your keyword. •Hassle free Paper-less: Sign-ups on the spot. No need to wait – if your contacts have a mobile phone, they can signup right on spot. No computer or stacks of paper needed to add to your list. Text-to-join program can be used by businesses such as Bowling Ally, Golf Ranges, Clubs, Sports Stores, organizations etc to encourge their customers to signup for email mailing list by sending a text message. Mobile subscription lists can be used to send subscribers special offers, discounts, reminder, or advance information about special events. Great For: Special offers, discounts, reminder, or advance information about special events. Key Features The ability to customize the messages that customers receive •Send messages to customers instantly or schedule them to be sent in future. •Web opt-in available to collect demographic information, age, birthday, zip code, and gender). Allow you to send messages only to a relevant segment.