For some people, their life is super busy, and informing your hundreds of neighbors about everything you do so they won't delete takes up some time! I would like to suggest a section where you can send the same post to all your neighbors or ones you specifically select. That would be much easier for those who will be on vacation for a certain time, getting caught up with some school work (for those still in school), for those who may be sick and don't feel too well to play, or even if you're having a contest and your informing your neighbors about the details! There could be many more reasons, but in summary, posting one message on your neighbor's walls at one time saves a lot! I hope you agree!