Ask HN: why do linkedin urls contain *1_*1_*1_*1_*1_*1 ..? Posted by kal00ma on Friday March 23, 2012 @02:50AM from the ask-hn dept. ( 4 comments | 10 points | on HN )
Since it is for internal use, I doubt you'll get a more detailed explanation.
I'd be most interested if someone can explain clearly what part it plays, though.