How can you use Google to search for secrets?

We have all discovered that Google can be an efficient searching tool, but how efficient? Is its efficiency becoming dangerous? Unfortunately Google makes it possible to not only display the publicly available internet resources, but also the ones that should never have been revealed.You can download the following pdf for free and read more about it. It basically provides you with a few query operations that combined with Google it can reveal sources of personal information and other confidential data. It also teaches you how to find, through Google, information about servers, systems, networking devices and more.For example filetype:ctt “msn” might give you the MSN contacts list of some people.There are about 10 pages in this pdf, filled with dangerous queries.Download it here.Has Google become a dangerous tool?