No doubt these things will have some sort of monitoring capability built-in. The corporations will LOVE these things. Think about it. Not only can they feed ads directly into our brains, they might even be able to "force" us into buying something.

The copyright police will go totally ballistic too. They'll figure out a way to determine every time we hear or see a piece of copyrighted material and charge us for it.

The wheel? Sliced bread? Bah! Mere trinkets when compared to being a part of the corporate hive mind.