Recently an internal National Security Agency Handbook titled “Untangling the Web: A guide to internet research” was released just recently through a Freedom of Information Act request. It’s over 600 pages, but the introduction makes for interesting reading and there is a chapter on Google hacks has some very, very savvy hacks that can dig up lots of hidden information on the web.
I’m not sure this has strict implications to language learning, but it’s fascinating reading and has useful tips for anyone who wants to be a more efficient and clever user of the internet.
Here is the Wired Danger Room article reporting on the release of the document, and which also helpfully condenses some of the more cunning googlehacks.
The Critical Linguist 