The application records history Google Latitude location of users that can then connect to the application to view this history on a map.
Just enter your Google Latitude id, choose a username and password, provide an email to contact you if you've lost your password (no SPAM) on registering page.
An iframe version of the the map with history is available to display it on your website (your blog, or any personnal page). just use following sample code:
Available options are
|variable name||possible values||comment|
|path||line||display a line between points|
|date||today, yesterday||only points from a specified day|
|l||10, 20, 100||maximum number of points to display|
|maptype||roadmap||type of google map to disaply in background|