There are such things as pilot-less furnaces and water heaters, that are ignited by an electrical signal.

It may also send a signal that you're lacking in other areas...and might end up with the wrong deal.2) If they bought the house to live in, and not to invest in, they might not see the 'advantages' you're speaking of; there may be other reasons, such as a medical/family issue.

Of course I could be wrong, I don't think anyone who bought at $800/oz is going to lose their shirts at this point.And I think there are signals of when to sell--I believe that part of the reason it collapsed in the early '80s was because the Fed raised interest rates sharply, but there doesn't seem to be any danger of that in the immediate future with Bernanke in charge.

Keeping the public informed can be done in too many ways (including right here on BP) to require any company broadcast a signal (including picture) that can be captured by others who do not pay for their service.

Will the fax machine recognize the incoming fax signal and send it to the fax machine vs. the phone?

I like to listen to tone of voice and try to find things that signal motivation such as: "I'd really like to get rid of this house" or "please call me as soon as you can" or anything along those lines.You need to be upfront with people, don't tell them your going to pay CASH if you don't have any.

That is great news and more importantly signals a shift in the understanding of value that investors can bring to the market.

signal to call center, and signals to the sensors from the base unit. 

I choose to ignore the warning signals that were present when it was 98% curable.

If you've been paying attention over the last week, you've noticed that gold has forged ahead to new levels.I was wondering what other people think--is this just gold continuing on it's upward (but sometimes halting) trajectory, or is it a larger signal that the other shoe is finally going to drop in terms of a deeper US or worldwide downturn?