It is skillful for people near WeChat to say hello with high response rate. First of all, you should have a good avatar for others to see. If you are a girl, you can choose to use a beautiful picture as your avatar. If it is a boy, you can also use some handsome pictures as avatars. Then your personal signature. If you are a boy, you can write some personal signatures about you. If you are a girl, you can write more literary sentences. If you want to improve your response rate, then you should send more information to people nearby so that they can see you. You can send some nice photos or some funny videos to people near WeChat, so that others will think you are an interesting person and will be willing to chat with you.