Shining a light on dark social

This post is part of the Digiday Partner Program and is brought to you by RadiumOne.

Thought of as the underbelly of the online world, “dark social” refers to the part of social sharing that cannot easily be tracked and monitored by marketers. Up to 30 percent of website visits come from unknown referrals and over 80 percent of sharing activity is not captured, making it difficult for publishers to connect the dots.

In this session, from the Digiday Publishing Summit, Rebecca Watson, vp of business development, RadiumOne explores the underpinnings of dark social.

https://vimeo.com/77825333

More from Digiday

After watching X’s ownership issues play out, marketers brace for TikTok whiplash in 2026

TikTok’s ownership drama has echoes of X (formerly Twitter), but ad performance has kept marketers for fleeing—for now.

‘There’s no room for purists’: Generative AI is altering the agency junior talent search

AI is altering agency business models. It’s altering the skills they’re hiring for and where they’re hiring them from, too.

For platforms, here’s what’s not going to happen in 2026

Rather than the traditional platform predictions, this is a list of what Digiday believes won’t happen next year.