I'm only posting this because we're seeing entirely preventable fatalities on train tracks, light rail and heavy rail. The common factor appears to be headphones (earbuds, likely) while people are crossing (or walking on!) rail tracks.

http://www.calgaryherald.com/news/Train+commuters+urged+attention/5829109/story.html

http://www.leducrep.com/ArticleDisplay.aspx?e=3470400

http://www.cbc.ca/news/canada/calgary/story/2012/02/21/calgary-banff-man-dead-train.html

If each of you would kindly elbow people in your circle and remind them that earbuds make them 90% blind (i.e., dangerously oblivious), I would appreciate it.