How to Block unwanted text messages on your Apple iPhone

If you're among the throng of Apple iPhone users to refuse to pay $5 for a monthly SMS allowance, then each text message you receive, whether you like it or not, will run you $0.20. In this how-to, Gary Rosenzweig shows you how to prevent unwanted text messages by turning off the ability for someone to send you a text message via email. Learn also how to request that text messaging be turned off completely in this video.