Worldwide sales of cell phones revealed strong growth. Africa has actually seen faster growth in mobile telephone subscriptions than any other area of the world over the last 5 years.In 2004, around the world mobile phone shipments saw their greatest year-to-year boost in history, increasing 34%from 2003 to 2004 with 692 million systems delivered in a massive growth driven by the need for color displays and camera phones throughout the world. The gadget also has built-in cellular functions including the ability to dial 4 preprogrammed numbers and the GPS function even works when the gadget is shut down.But, have you ever had your cell phone go dead on you when you truly require to use it?

Photos provided by Pexels