It's terribly difficult to get reliable statistics, as numbers tend to vary drastically depending upon whom you ask, but if you're inclined to believe that Android is mopping up Apple and RIM's declining mobile mindshare in the US, you'll find nothing but corroboration from Quantcast. The analytics firm reckons a full one-quarter of mobile web traffic stateside comes from devices running Google's OS, though it's important to know that the iOS tallies apparently don't include the web-friendly iPad. You also might want to note that this is mobile web traffic here -- these days, we spend an increasing amount of our internet time in apps -- and since we're on a roll with the disclaimers, let's just add that these numbers have nothing to do with a company's financial success. Nokia can attest to that.