Or hydrogen fuel-based engines.
>* Researchers research their area, and will not abandon it just because
>some other area is making progress.
I suppose you're right because there may be other additional things which
may be of value waiting to be discovered or most likely it's just blatent
curiosity.
>* They do not know about the competition.
They _are_ aware of current events aren't they?
>* There is no competition really, they solve different problems.
>* Not everyone will tune in to your AR advertisements, but everyone will
>see your huge hologram.
Not unless you make augmented reality a necessity for surviving in everyday
life where all communication depend on it like the all in one
communications box (radio, TV, phone, answering machine, VCR, fax, internet
access, etc.) PC-TV which will be here before 2000 with early versions
already here. Make AR essential and everyone will have it just like having
a telephone (western nations).