Oh that monochrome screen !<p>Before the iPhone, I always had a Palm with me for more than 7 years. Sure, windows phone and Symbian and others were also available. But I really like the palm.<p>I remember constantly showcasing all those apps to people, and they just did not get it.<p>Maybe the killer app for the iPhone was the phone app. The truth is, it all just came together: 3G, social media, better Components threshold…