Text message marketing has revived during the last several years with the growth of smartphone users worldwide. In 2019, the number of people using a smartphone in the US only is estimated to reach 248.68 million. SMS marketing is one of the most effective marketing strategies that can help you retain your customers. However, it can also make you lose a lot of your subscribers if you keep making some basic mistakes. In this post, we’ll introduce you to the top 10 fatal SMS marketing mistakes, which can cost you your reputation.