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We have been investigating how the government seeks information from social networking sites such as Twitter and how the sites respond to these requests in our ongoing social networking Freedom of Information Act (FOIA) request, filed with the help of UC Berkeley's Samuelson Law, Technology & Public Policy Clinic. As part of our request to the Department of Justice and other federal agencies, we asked for copies of the guides the sites themselves send out to law enforcement explaining how agents can obtain information about a site's users and what kinds of information are available. The information we got back enabled us to make an unprecedented comparison of these critical documents, as most of the information was not available publicly before now.

The advance of wireless technology, smart sensors, and cloud computing have changed the government's approach to security in the face of 9-11 and global terrorism. The Internet is being used in ways we could not have imaged a decade ago. This powerpoint explores issues of surveillence, privacy, and evovling law in the context of world events.

The US Department of Justice this week released slides from a presentation deck titled Obtaining and Using Evidence from Social Networking Sites. The document was released in response to a Freedom of Information Act request by the Electronic Frontier Foundation (EFF). The DoJ presentation describes Facebook as much more co-operative with law enforcement requests for user information than Twitter and MySpace are. Update: Facebook's Barry Schnitt contests this interpretation of the document, says the company is resistant to illegitimate government requests for user information and offers one example of that resistance in a comment posted below. The document also explains to officers what the advantages of going undercover on social networking sites are. The EFF posted IRS training documents for using various internet tools as well, including Google Street View, but those were much tamer than the Justice file.