A study, based on millions of articles, charted deteriorating national sentiment ahead of the recent revolutions in Libya and Egypt.

COLLEGE PARK, MD — Coming soon to a smartphone on the College Park campus. It is a new app called M-Urgency created by Dr. Ashok Agrawala.

LAS VEGAS, NV — There’s a lot of information that can be gleaned from OnStar reports that can help first responders decide what kinds of resources might be needed at crash sites.

COLORADO SPRINGS, CO — The Department of Public Safety has recently imple­mented the MyForce app, which can best be described as a sophisticated panic but­ton for smartphones.

WEBSTER GROVES, MO — Webster Groves residents and business owners now have access to real-time reports on criminal activity in the city through an electronic mapping system called CrimeReports.com.

BOSTON, MA — The Boston Police, which already boasts the most Twitter followers of any law enforcement agency in the world, gets our vote for Hashtags Of The Week, after they sent out a rather amusing tweet about a would-be bank robbery in Southie the other day.

NEW YORK, NY — The inability to text 911 is a potentially deadly hole in the call center’s system, and following Hurricane Irene and last week’s earthquake, there’s a renewed interest in the federal push to change that. NY1′s Michael Herzenberg filed the following report.