Why dark social matters more than ever

For years, marketing and comms professionals have relied on analytics to understand how messages spread online. We track website visits, social media engagement, click-through rates and conversions. But some of the most influential conversations about organisations, brands and public issues take place beyond the reach of traditional measurement.

This hidden layer of communication is often referred to as dark social. Despite the name, it has nothing to do with the dark web or anything malicious. Instead, dark social describes content and messages shared through private digital channels where analytics tools have little or no visibility. This could include a report shared in a WhatsApp group, an article forwarded via email, a discussion in a Microsoft Teams chat, or a recommendation sent through a LinkedIn direct message.

Today, dark social matters more than ever. As users seek more personal, trusted and private interactions, conversations are increasingly moving away from public feeds and into private channels: a colleague shares an article in a Teams channel; a client asks for recommendations on WhatsApp; an industry contact forwards a report through LinkedIn messaging. These engagements rarely appear in analytics platforms, yet they can influence opinions, decisions, and brand perception. 

For comms professionals, this creates an unseen challenge. Public metrics may only tell part of the story. A piece of content that generates modest engagement on LinkedIn could be circulating widely in private conversations, reaching relevant audiences and shaping perceptions in ways that cannot be measured directly. Traffic generated through private sharing is often categorised as “direct traffic”, making it difficult to identify where visitors actually came from when clicking through to a URL. 

At the same time, dark social is valuable because it is built on trust. Recommendations shared privately often carry more weight than public posts or paid advertising. People are more likely to engage with content recommended by colleagues, friends, or peers than content encountered through an algorithm-driven feed.

The reality is that the most important conversation about your organisation may not be happening on socials such as LinkedIn or X. It may be taking place in a WhatsApp group, a Teams chat, or a Slack community where stakeholders are discussing your work without leaving a trace.

At a time when private sharing continues to grow, communicators must look beyond the numbers. Analytics are important, but understanding influence increasingly requires recognising that not everything that matters can be measured. Dark social reminds us that reputation is often shaped in the conversations we cannot see.

While dark social may never be fully measurable, organisations can take steps to improve visibility, identify hidden influence and create content designed to travel through trusted networks. If you'd like to explore how your organisation can better understand and navigate the rise of dark social, get in touch with our digital team.