Up to 2013/12/31, there are 353 articles posted on the Consumer Lab. Eliminating clips which are unable to be found on Youtube and in which the service concepts are difficult to be understood /recognized, there are 195 clips adopted in the study. Data collection is at a computer lab in the author’s college. Participating students are asked to watch a randomly assigned clip and then fill out the questionnaire. Every clip, lasting 2~5 minutes, is collected 3 samples. Thus, there are 570 valid data out of 585 ones.