Speaking of Xiaonei, whether high school students or college students are quite familiar with it, right? But recently, I heard that "Xiaonei" will be renamed as "Renren", and I can't help feeling a bit resistant to this change. Judging from the name "Xiaonei", I think it was originally intended to serve as a bridge for classmates who have been separated due to attending different universities or working. However, now that it's going to be changed to "Renren", I feel that the essence has somewhat changed. What's the difference between it and those other sites like "Kaixin" and "Huanlewo"?