I'm also not so hung up on privacy. Think about the massive data gathering we could do in the medical field for example, to test the effectiveness of drugs and

I'm also not so hung up on privacy. Think about the massive data gathering we could do in the medical field for example, to test the effectiveness of drugs and treatments if you could wear a "smart" bracelet that put its data in the cloud - how many more diseases could we cure? Not that I'd feel comfortable sharing my back account # with you...