Apple has been awarded a patent that can keep you from sending or receiving “objectionable” text-messages, reports ReadWriteWeb. The patent, filed in January of 2008 and approved today, will allow certain content to be filtered, based on parental controls. The description of the patent doesn’t mention sexting, although that may be the main thing many parents would want to forbid. Rather, it gives the example of parents requiring a set number of words per day be included in emails for a child learning Spanish. And parental control applications to encourage language acquisition are, indeed, innovative…