A method and system for customized, contextual, dynamic & unified communication, zero click advertisement, dynamic e-commerce and prospective customers search engine is described. A method includes allow sender to dynamically associate one or more identified active links with active note (message) or with response of active note (message) and send or present said active note (message) or response of active note (message) with active link(s) to determined target receivers, wherein said active link(s) enables receivers to sell, purchase, transact, communicate, collaborate, search, share, workflow, provide response, participate in same activities as sender and access the active link(s) for message specific purpose in an integrated, contextual, customize and unified manner. A method further includes zero click advertisement in which each user's each message content matched with each advertisement content including keywords and ad targeting criteria and send message to advertiser or responder, wherein said message identifies target customers and charging advertiser based on receiving said message from identified target customers. A method further includes dynamic e-commerce in which an offer does not become valid until associate dynamic rules & conditions attained.