What did Jobs know, and when did he know it? http://arstechnica.com/apple/news/2...h-causes-rehash-of-iphone-4-antenna-issue.ars
If you have a plastic cover, it doesn't really make that much difference and 99% of people use covers.
Apple should look into using the human body as the antenna. I have a set of rabbit ears from Radio Shack for my TV which need constant adjustment and the best reception is when I'm holding them. -----