Great follow up. Thanks for this!

Are you saying you don't think keys are a thing of the past because of security flaws with NFCs? I think it might be harder to copy the NFC.

I was thinking the exact same thing. I think someone will come out ahead of the race though, just in regards to quality, marketing, and execution.

I don't think a VR setup will require an entire room. It will definitely take up space (and money), but not an entire room's worth. Take the Cyberith Virtualizer for example.

Well, by helping people, say, not die of malaria, you can bet that's a pretty good investment in their economy. Besides that, we rarely do anything that isn't beneficial to us.