Can technology help avoid stampedes?

It seems the cruellest and most unnecessary of deaths - to be crushed in the midst of a crowd. But even in the 21st Century such deaths are still common, as a stampede at a recent Hindu festival in India, which killed about 115 people, proved all too sadly. via Pocket http://www.bbc.co.uk/news/technology-24463736#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa