"This is like the PC market in the early-to-mid-80s. If you were going to declare a victor then, what would it have been? CP/M? Apple II? I think declaring the smartphone space locked up and done is like declaring CP/M the victor in the early '80s."
The Xperia Arc vs Arc S are similar to each other. The Arc S has similar looks, dimensions along with weight to that of its previous version. Find out the two major modifications of teh Arc S and much more @ http://www.mobilesandtablets.co.uk/xperia-arc-vs-arc-s-finding-out-the-differences/