There was a debate some months back on the Yahoo Web Analytics Forum about “Authenticated User IDs vs. Unique Visitors” – which I somehow participated in with the post: Visits vs. Unique Visitors vs. Authenticated Users. Here I momentarily touch the subject of why cookie’s affect unique visitors, but not really any conclusion or take [...]

I read an interesting post (Authenticated User IDs vs. Unique Visitors) on the Web Analytics Forum on Yahoo today, that I would like to comment on – the post goes like this:
“Hey Everyone, I have a challenge I hope you could help me out with. For one of our sites, we pass the Authenticated User-ID, [...]