I think at this point the smartphone OS's that are new Firefox OS, Ubuntu, and Tizen are bascially an attempt to stay relevant in a world where the primary comp

I think at this point the smartphone OS's that are new Firefox OS, Ubuntu, and Tizen are bascially an attempt to stay relevant in a world where the primary computer is a phone or tablet, not a laptop or desktop. All three of them exist more because of the companies that built them, than because there is a big gaping hole in the market that they fill. Without a big problem they are solving I think the market as a whole will shrug at their arrival sort of like the Palm Pre.