Not the best source, but listening to Robin's News on Howard Stern, she read a new article about the dangers of these devices. Howard refuses to wear the watch because of cancer fears, and never talks on his phone without the speaker phone or hands-free. He also wont put the phone in his pocket based on what the article said. When I looked up articles, it shocked me that they are saying the ipad gives off more radiation than the iphone. I didn't tape it or anything, so I'm not sure the source of her article, but it made me wonder about a few things: 1) Are you concerned with your young child (2+) using your ipad or iphone? Do you set limits due to this fear? 2) Are you concerned about the watch causing cancer?