The Rule of Thirds

This is probably the most got-to-know rule or technique in photography because of its simplicity but also effectiveness on improving our pictures.

To apply this technique, divide your frame into three parts with two lines, horizontally and vertically alike, so that you get nine equal rectangles that compose your frame. By placing the most relevant objects of your frame at the intersection of those 2x2 lines, or just along these lines, you will considerably improve the quality of your pictures.

Below you can see two examples of how to apply this rule on the same frame. The difference is that in one of each pair is not applied correctly.