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dombrandt

M$1.00 Funded By Mahalo ? | March 25, 2009 11:57 PM

Does anyone remember little pins with 2 LEDs (green/red)?The idea was that a green light would mean talk to me, red = not interested.

These were a fad in the 80s and I cannot remember the name of those things. They were little square pins. Driving me crazy.....Thanks!!

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pazaq

March 31, 2009 01:48 AM

Are you sure your not talking about this experiment from MIT?

"Visitors considered ﬁve multiple-choice questions,
and programmed their answers into their Thinking
Tags. Whenever two people came face-to-face, their
tags exchanged data. Each tag had ﬁve light-emitting
diodes (LEDs); for each question that the two people
answered the same, one LED would light green. For
each question where they disagreed, one LED would
light red."
http://www.research.ibm.com/journal/sj/353/sectionc/borovoy.pdf
Source(s):
http://www.research.ibm.com/journal/sj/353/sectionc/borovoy.pdf

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dombrandt

March 31, 2009 06:01 AM

What I was referring to was a simple novelty item. But thanks for the reply

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