Diagonality.

Apparently, according to some photogroup discussion on flickr, a diagonal line is one of the more "upsetting" lines one can use in a composition. If it is true, I suspect it has something to do with the fact that the horizontal lines are less common than horizontal and vertical lines in our daily life. What do you think?

Lucky number seven.

Powerful number, seven. For religious ones and gamblers alike.

Cube-ism.

Art is difficult to comprehend. It is even difficult to know what it is. A question I've come in contact with recently is "What works are considered art?". I'm not sure of the question myself, but believe something can be called art (instead of artsy, which is essentially what I would consider my best pictures) when enough people think of it as such. It is an eternal question, but what do you think? When does a piece of work reach a new (higher?) level and become "art"?