No, I've never heard of it either, but as the article says this could have a profound impact.
"...
The conjecture essentially assumed it's possible to create a "universal map" that can direct people to arrive at a certain destination, at the same time, regardless of starting point. Experts say the proposition could have real-life applications in mapping and computer science.
"
http://news.yahoo.com/s/ap/20080320/...el_math_riddle
http://en.wikipedia.org/wiki/Road_coloring_problem