In just the warm-up phase of the second wave of publicity, the series of video advertisements titled "Wa-wah robot" had been played more than 20 million times across various video hosting platforms like A site, B site, Youku, etc. This happened within a few short days. The publicity warm-up phase could more or less be ended now.

But, Xing Hai Technologies still contacted famous video uploader-hosts on B site such as "Na Yan,""The Playful Koala," and well-known review organizations like "Do You Love Technology," and "Is This Worth Your Money." They were allowed to conduct various tests on the "Wa-wah" robot which was termed "the best cleaning robot in the world." 

With millions of fans, the uploader "Na Yan" possessed a review style that was objective and stern, with the occasional joke here and there. He was frequently asked if he was paid to do the reviews. In reality, most of his product reviews were sponsored. However, his main source of income was from the audience's rewards duri