Ulf, I discovered that we have been in good company. According to the speaker at this RICON talk a few weeks ago, both Yahoo and Facebook discovered the exact same things. :-| https://www.youtube.com/watch?v=8cYp52oeDx4&list=PL9Jh2HsAWHxLco7V1SjU9hUzP53CBZOYO&index=20 -Scott