I came across this (now closed) US government project proposal while=
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browsing. It is to develop, for Linux, an open source interface for traff=
ic=20
(signal) controls as in red-light and green-light. In other words, develo=
p=20
this bit of open source and get paid for it. (But I'm oversimplifying the=
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process in the extreme.)
     This is part of the SBIR program, Small Business Innovation Research=
, no=20
doubt something each of us is paying for through our taxes.
     See http://www.volpe.dot.gov/sbir/sol03/sec8full.html#03-FH5=20
     Interesting...

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Ed Skinner, ed@flat5.net, http://www.flat5.net/