Chrome extensions are an underutilized marketing channel that can enhance brand presence and user engagement by integrating seamlessly into users' daily online routines. Unlike traditional marketing, extensions provide ongoing value and create habitual usage, making them a cost-effective investment for businesses looking to improve customer acquisition and retention. Companies like Grammarly and Honey exemplify successful strategies by solving specific problems and fostering dependency among users.

Profile pic jacking is a marketing technique where users change their social media profile pictures to promote a brand or campaign, leading to organic and viral brand exposure. This strategy leverages psychological factors like social validation and FOMO, allowing brands to gain significant visibility at a low cost. Successful examples include Apple’s Memojis and NFTs as status symbols, demonstrating the effectiveness of this approach across various industries.