Now well into its fifth year of life, iOS has always been known for its exceptional polish -- and also, its glaring feature holes. But, just like clockwork, each year since its 2007 debut, those shortcomings have been addressed one by one in a sweeping annual update. In 2008, the platform was opened up to developers giving us the App Store, 2009 saw the introduction of copy and paste -- which we'd argue is still the best implementation to date -- and last year "
