Vigilante jamming cell phone calls on city buses to help preserve peace and quiet (Yahoo! News)

[unable to retrieve full-text content]Yahoo! News - Those who would dare violate the public peace in Philadelphia, consider yourself on notice: You have a sworn enemy. He's not quite as noble as Superman, and his gadgets aren't up to par with those used by Batman, but to ?

Source: http://us.rd.yahoo.com/dailynews/rss/techblog/*http%3A//news.yahoo.com/s/yblog_technews/20120302/tc_yblog_technews/vigilante-jamming-cell-phone-calls-on-city-buses-to-help-preserve-peace-and-quiet

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