THIS is interesting… all Google users should try this.. MOST interesting!!!!!
When Google hands over e-mail records to the government, it includes basic envelope information, or metadata, that reveals the names and e-mail addresses of senders and recipients in your account. The feds can then mine that information for patterns that might be useful in a law-enforcement investigation.
What kind of relationships do they see in an average account? Thanks to the researchers at the Massachusetts Institute of Technology Media Lab, now you can find out. They’ve developed a tool called Immersion https://immersion.media.mit.edu/ that taps into your Gmail and displays the results as an interactive graphic.