From NPR News, this is ALL THINGS CONSIDERED. I'm Melissa Block. And we begin this hour with two stories of authorities tracking people online. In a moment, we'll hear how some police in this country are using software to look for potential criminal activity on Twitter. But first, something you might think would be more private: webcam chats.
Social monitoring started in the world of marketing, allowing companies to track what people were saying about their brands. But now, with software that allows users to scan huge volumes of public postings on social media, police are starting to embrace it as well.
Many police departments in Britain use a product sold by CrowdControlHQ. CEO James Leavesley calls it a "social media risk media and monitoring" company, meant primarily as a means of staying in touch with the public. But Leavesley says it's also a way to detect trouble.