<p>Waterproofing is a growing trend among smartphone manufacturers, but despite what you may have seen on social networking sites, it's not a feature of Apple's new iOS 7 software.</p><p>But that's exactly the gist of a fake ad circulating the Web, which is trying to prank users into dropping their newly upgraded phones straight into the drink. The ad uses the Apple's new font for iOS 7 with a false explanation of how the feature works.</p><p>"With the new features and smart formalities of iOS 7, the phone can now detect sudden changes in thermodistribution with the tough sensitive screen and the home button," the false ad says, promising that water will trigger an "emergency shut off" feature.</p><p>The Guardian reported that the prank is believed to have started at the Internet forum 4Chan and was being passed around Twitter, Facebook and other social networks with the hashtag "waterproof." According to CNET, there are reports of folks claiming they have wrecked their phones after seeing the ad, though there are also plenty of false claims that the fake feature works.</p><p><a href="http://www.washingtonpost.com/business/technology/apples-iphone-isnt-waterproof-no-matter-what-the-internet-says/2013/09/26/b1396ab0-26b7-11e3-b75d-5b7f66349852_story.html">Keep reading...</a></p>