h a l f b a k e r ynon-lame halfbakery tagline
add, search, annotate, link, view, overview, recent, by name, random
news, help, about, links, report a problem
browse anonymously,
or get an account
and write.
register,
|
|
|
|
Parallel Thinking Department: In my latest just opened New Scientist "Patents" column there appears a similar idea based on a buried audio signal, but recognised by a code-loaded badge you wear, not apparently, by my smart card which you buy as your ticket. So I've goofed again. |
|
|
A world of possibilities here, supermarket lotteries, for product promotion, keys for new cars, doors that mysteriously open for you, leading to god only knows what adventures - I should have never studied marketing. |
|
|
The point is that audio signals can be carried in regular TV/radio programming. |
|
| |