Some kind of flow history: http://www.quora.com/What-do-the-strange-characters-in-LinkedIn-URLs-stand-for http://www.quora.com/What-do-the-strange-characters-in

Some kind of flow history: http://www.quora.com/What-do-the-strange-characters-in-LinkedIn-URLs-stand-for http://www.quora.com/What-do-the-strange-characters-in-Linke... Since it is for internal use, I doubt you'll get a more detailed explanation.