Email graphic traceroute Paste an email with full headers (we need the 'Received' lines -- we don't need your email addresses, digg). The app will (we hope) trace the path your email message took as it passed through various servers, on Google maps.
Piggy Bank is a Firefox extension that turns your browser into a mashup platform, by allowing you to extract data from different web sites and mix them together.
Piggy Bank also allows you to store this extracted information locally for you to search later and to exchange at need the collected information with others.