Can you envision a day when you would willingly accept an implanted password?
Here are two articles:
The titles are a bit misleading as there is no indication PayPal has plans to use the technology now but they *are* working on developing biometric verification technologies such as an ingestible pill (with battery powered by stomach acid) or silicon chips implanted in your brain which could identify you by heartbeat or vein recognition.
When having a discussion with some of my older ones, I had to laugh as I'm sure my "Oh heck no!" would be the equivalent of how my grandparents or even parents reacted to inventions of their day.
Still... who's with me in the 'no way, no how!" club? LOL