Yesterday afternoon and evening, my circle of friends was occupied by blurry photos that can only be opened by giving red envelopes – I myself was not to be outdone and posted a photo of Sansu’s legs. 　　When you clicked on the first blurry photo in your circle of friends, it was probably out of curiosity. Then, you may also try to come up with a wonderful picture copy (not as cliché as the “leg photo”) to attract others to click on the red envelope. After a few minutes, there will be nothing left on your screen except those hazy photos. 　　Have you ever thought about what attracts us to…