

Not only that but between the various web tracking technologies that advertisers use and people’s reuse of credentials for convenience you now have an easier way to associate a real identity with a specific person as they browse the internet. A boon to advertisers and other interested parties alike.
No, one need only look at the windows recall debacle to see how corporations would abuse the chip, not to mention the potential for advertising beamed directly to your brain and the possibility of malware. Hell even discounting all of that, not that you should by any means, how would upgrading work?