A blog, referred thereupon as 'z', Where Kerio, who we shall now refer to as 'x', blogs about his life, which we shall now refer to as 'y', whereby if 'x' has no 'y', 'z' = '0'. But if 'z' has 'y', we get The Authorative Kerio Blog, filled with lovely swearing and cussing like a sailor. http://www.kerio.blog-city.com