The law of Z / F to catch the attention of the user probability is high?

Do you know the “the law of Z” and “the low of F”? Those lows mean that the human eyes follow the letter of “F” or the character of “Z” in the alphabet when they looked at the Web site. According to the theory, if you lined up recommendation or campaign products on Z or F, the possibilities will increase that consumers can catch information, click and purchase. As a result, internet commerce revenue would be grate. We should lean it as basic web director’s knowledge.
(参考：Jakob Nielsen’s Alertbox: April 17, 2006F-Shaped Pattern For Reading Web Content)
http://www.nngroup.com/articles/f-shaped-pattern-reading-web-content/