https://www.oreilly.com/library/view/facebook-the-missing/9781449303600/ch04.html https://www.oreilly.com/library/view/facebook-the-missing/97... Seems the clos

https://www.oreilly.com/library/view/facebook-the-missing/9781449303600/ch04.html https://www.oreilly.com/library/view/facebook-the-missing/97... Seems the closest to what’s being described. You’d give it your instant messenger credentials and it would log in as you and scoop up your contact lists.