the wiki reference talking about rafting photographers ([1] for convenience) using this is pretty cool - gives you a (somewhat sensationalized) sense of the the

the wiki reference talking about rafting photographers ([1] for convenience) using this is pretty cool - gives you a (somewhat sensationalized) sense of the the reliability of the pigeons. [1] - http://origin.denverpost.com/opinion/ci_6209735 http://origin.denverpost.com/opinion/ci_6209735