Lots and lots. I used to collect a lot of group buying websites and read them every day. Now I only look at two: 1 is the "Jule Tao" sponsored by the Beijing News, which is characterized by quantitative group buying activities every day, which is stronger than spike killing, but the activities are very strong, and you can't buy them in a normal day. There are many fine products. For example, I bought UME movie tickets for 14 yuan; Two are "fighting together." Com, which contains the group purchase information of several group purchase websites on the same day. Looking directly, you know almost all the information. If you are interested in one, you can link to a group buying website in this area.