Disclosed are methods and systems of communicating signals among promoter, audience, promotion operator by way of wireless signaling and mobile messaging. The methods can be used in, but not limited to, mobile messaging, TV promotion, digital out-of-home promotion, storefront promotion, location specific promotion or announcement and others. The advantage of this method is that the messaging or promotion or announcement is not in broadcast mode. It can be targeted to a choice of specific type of Audience through their mobile devices.