To scale dark social traffic in customer journeys, teams must first identify hidden sharing channels by leveraging tools that track private link sharing and referral data. They should focus on creating highly shareable content tailored for private messaging apps and social media platforms. Another key strategy is to implement custom URL parameters that reveal traffic sources despite the lack of traditional tracking. Teams can also encourage user engagement by adding easy sharing options within their digital experiences. Finally, integrating dark social insights into customer journey analytics enables more accurate attribution and optimization of marketing efforts.