If all you do is click around and read pages, the data captured about you is vague. If you leave a comment or sign up for a newsletter, the data captured about you is sometimes very specific. Almost all web sites on the web today collect data in this fashion about visitors, and this site is no different.
Data may be kept indefinitely.
Data is never bartered or sold for commercial gain.
Data is never given to advertisers.
Data may be given to law enforcement at discretion of site owner.
Data may be collected by analytic services.