After the desktop stalwarts of Windows 7 and Mac OS, the world's third most popular platform for web browsing turns out to be Apple's iOS. The software that makes iPhones, iPod touches and iPads tick has been identified by Net Applications as responsible for over two percent of the global traffic data analyzed in the web statistician's latest report -- the first time iOS has crossed that threshold. The UK and Australia had more than five percent each, while the USA clocked in at 3.4 percent. Leaving operating systems aside, Chrome has continued its steady growth on the browser front and now stands at a 10.7 percent share, more than doubling its slice from