tiptip Invasive tracking on mobile gadgets 10/13/2012 Users got more than an improved Siri and the new Passbook app when they upgraded to iOS 6. Apple's latest mobile OS has given advertisers a brand new way to track your Web surfing. It's called Identifiers for Advertisers, or IFA. When you upgrade your existing gadget - or buy a new iPhone 5 - that gadget will be assigned a random IFA number. When you look at a Web page or an app, advertisers see your number and the site you were browsing. Once they know that, it suddenly becomes easy for them to target ads directly to you. Apple hasn't advertised this feature much, so not many people know how to turn it off. Plus, the setting isn't where you'd expect. You have to go to Settings>>General>>About>>Advertising. Look for the section labeled "Limit Ad Tracking." Confusingly, by default this is set to Off. In order to stop advertisers from seeing your unique number, you have to switch the slider to On. Advertisers have tons of annoying ways to track you online. Here are three more ways you can opt out. Tracking cookies can tell advertisers tons of information about your browsing. Protect your browser from them. Some advertisers give you a way to opt-out of tracking automatically. I'll show you how. Obnoxious pop-up ads are often a sign of a virus. Stop viruses on your computer with free security software. advertisement - See more at: http://www.komando.com/toolbox.aspx?mode=print&id=13447#sthash.k73dxwfX.dpuf Sent from my iPad