Just wondering if there were any released metrics or clever ways to estimate the volume of users looking at Hacker News (say at least once a week?). I imagine it is a high multiple of the number of posters/registered users. http://www.google.com/trends/explore#q=hacker%20news%2C%20hn%2C%20news.ycombinator.com%2C%20ycombinator%2C%20yc&cmpt=q)