LAS VEGAS (AP) - You've seen them at intersections and outside strip malls spinning an arrow-shaped sign and trying to grab the attention of drivers and passers-by.
Turns out, there's more to it than just twirling the sign, and the ones with the most creative moves compete every year for the title of World Sign Spinning Champion.
More than 100 of the human billboards broke out their best moves for a crowd in downtown Las Vegas last week. In multiple heats with hip-hop and pop tunes b
RelSci News & Alerts gets you: