Photo of the Day

Associated Press
In this photo taken Tuesday, Aug. 7, 2012 from left, Joe Rantala, software developer, Patrick Boyd, vice-president of engineering, Eric Liu, CEO and Charles Choy, director of quality assurance gather for a discussion at the offices of Nixel in San Francisco. Across the country, law enforcement agencies have added a new form of social media to their arsenal of crime fighting tools. Thousands of cash-strapped police departments are now heavily relying on the notification service Nixle to provide residents with real-time alerts on crimes in progress, traffic messes and missing children. (AP Photo/Eric Risberg)

View gallery

500 photos

View Comments (2)