In a roundup of what to expect at next week's World Wide Developers Conference, 9to5Mac has released some new rumors concerning both iOS 7 and Apple's upcoming streaming music service, "iRadio." Alongside the standard iOS 7 rumors, the site suggests that Apple has been experimenting with camera filters for its built-in camera app, like those used in many third party camera apps such as Instagram.We understand that while many iOS engineers are excited about the potential of filters being built-in to the iPhone's camera app, some Apple executives are not as fond of the feature. With that in mind, we are