B??c 3: H? th?ng s? cung c?p cho b?n m?t cú pháp tin nh?n ho?c mã QR ?? b?n so?n tin nh?n và g?i ??n s? nhà m?ng ?ã ch? ??nh.It looks like you have been misusing this feature by heading much too fast. You’ve been temporarily blocked from working with it.You might be employing a browser that won't supported by Fb, so we've redirected you to