Those of us who have owned an iPhone are familiar with the multitouch keyboard and overall interface of Apple’s smartphone. According to ex-Apple executive Tony Fadell, an iPhone with a physical keyboard made the final list of 3 prototypes before getting scrapped just before launch in January, 2007. According to Apple Insider: Fadell, who officially left Apple in 2008 but was kept on the payroll as a special advisor to the late Steve Jobs until 2010, worked on 18 versions of the iPod as well as the iPhone up to the 3GS before leaving to start “smart thermostat” company Nest. Steve Jobs sided with…