This document explores the contributions of Web 2.0 to multi-channel management across the travel, retail, and healthcare industries, focusing on business-to-consumer interactions. It highlights the transformative potential of Web 2.0 technologies, such as social networking and microblogging, in enhancing customer engagement throughout pre-sales, sales, and after-sales processes. The findings emphasize the cyclical nature of channel functions and the necessity for businesses to adapt to the evolving landscape of customer communication.