About St. Joseph Mobile Marketing Charles and Addie Shadduck, local St. Joseph, MO residents, are the owners of St. Joseph Mobile Marketing. St. Joseph Mobile Marketing assists local businesses in getting setup in the huge marketing medium that has completely changed the way businesses stay in touch with their customers. It's called TEXT MESSAGE MARKETING. With 97% of all text messages sent to mobile phones being opened immediately, this gives businesses an extraordinary way to stay in touch with their customers and bring in new customers. Imagine being able to instantly contact all your registered customers with a text coupon or a thank you note. Skype: StJoeMobileMarketing and we will make that happen for your business or we can teach someone in your business how to get it done.