History of art
ART __-history, __-theory, __-world (Accounting for modern art with Dickie, Danto, and Weitz) Up until the twentieth century art theorists had consistently sought for a definition of art� a definition that would determine a set of necessary and sufficient conditions for something to be called art. But artists in the 20th century did not want to be defined, and they deliberately tried to create artworks that would not fit under some theorist's umbrella.

How Google Decides PageRank
In the SEO arena there is a lot of focus on PageRank as an indicator of a domain's SEO value. Although it is probably one of the most important aspects of a domain's worth in the eyes of Google, there are a few details that should be understood.