Well cell phones are still not been given a clean chit. This is the most commonly possessed and used 'modern toy' by a human being. In fact in the history of mankind there has never been something as popular as a cell phone. Imagine there are over 2 billion cell phones today in the world. Almost every third human being in the world has one and another 760 million will be sold this year.The cell phone has changed the whole economy of how business is done today.