I was working in the mobile phone industry just as smartphones were taking off. I saw the Palm Pilot rise and fall. I witnessed NEC and Sagem and a host of companies launch smartphones and then disappear. But the greatest tragedy of them all was Nokia and their Symbian Operating System. (Actually, Symbian's ownership and relationship with Nokia is complex. But let's gloss over that for now.) Symbian was, for its time, a brilliant OS. It ran 3D games smoothly, had terrific hardware support, a…