We chip dogs, why not humans?

If you carry an access card for work take note: some employers are replacing those with a chip under workers' skin. So far, most of those employees seem happy to be chipped.

Tech writer John Quain says there are lots of problems with RFID chips -- what if you have more than one job?

"Would you be willing to have something like this in you for one employer or not? What happens when you change employers? It's not quite as convenient as you might think."

Quain says sure, you can already be tracked with your cell phone.

"You can always turn it off and take the battery out, that's a choice you have. With a tag inside you, you would no longer have a choice."

But while there are obvious privacy concerns about having an RFID chip embedded under your skin, it's not a bad idea for everyone. Quain says it would help with Alzheimer's and dementia patients.

"In people like that it might be very helpful to have a tag like that with them that they couldn't forget, that they couldn't lose, so we could find them should something go wrong.

But Quain says getting chipped for work is a different story. While it might make it easier to open doors or use vending machines, Quain says there are more negatives than positives to being tracked 24/7.


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