The iPhone turns 5 years old today. No one can deny the success of the iPhone and it's crazy how popular it became. Nokia with Symbian were the first people to enable things like apps but Apple came along and took it to another level and helped jump start the app market. Android then came along and fuelled the fire too. The iPhone has been so successful for Apple that it makes over 50% of the company's revenue and its driven stock prices higher than anyone ever imagined. It's now the most valuable company in the world and to think all it does is sell consumer products.