Apply a little mental energy to this one and tell me what you come up with:
In order to prevent telemarketers from calling you and harassing you, companies are now selling you a devise to erase your number from their systems.
*insert mental strain here*
Please keep in mind that this post is more than 3 years old. Opinions change. Tastes change. Everything changes. I may still agree with this, or like this, or I may not. But everything is kept up here for archival purposes.