You know that song you hear everywhere? It’s on the radio during your commute. Your friends are humming it at dinner. It’s the “it-song” on social media. Before long, you know every word, and you’re singing along without even thinking about it.
That same sensation is possible with your advocacy or brand message — if the right people are talking about it.
That’s where Tunnl Halo comes in. Halo is the next generation of influential targeting: a solution for reaching the actual people who shape outcomes. Whether you’re trying to influence policymakers, defend a reputation, or break through with a critical community, Halo helps you identify and connect with the individuals who can make your message inescapable.
What is Tunnl Halo?
Halo is built around spheres of influence — the networks surrounding the stakeholders who matter most to your campaign. Each Halo audience is structured as a unit of influence:
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The core stakeholder (a policymaker, executive, investor, or other decision-maker)
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Their staff and close advisors
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Former colleagues and professional ties
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Recognized voices in their field
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Community leaders and activists who shape narratives from the ground up
This layered approach connects your message to the ecosystem around real-world decision-makers — not just demographics or lookalikes, but the actual networks that sway opinion and drive outcomes.
How Halo Compares to Social Graphing Approaches
You may be familiar with products like Applecart, which rely on relationship mapping and social pressure to target small, tightly connected webs of people. That method could be useful when you need to put intense pressure on a very specific policymaker.
But Halo takes a broader — and more flexible — approach:
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Scale without dilution: Halo builds influence-based audiences that let you scale up to hundreds of thousands or millions when you need it, without sacrificing tactical precision.
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Breadth of application: Beyond legislative pressure, Halo audiences can be used for reputation management, brand campaigns, regulatory influence, investor relations, and more.
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Data-driven insights: Halo provides deep intelligence on where these audiences consume media, how they engage with issues, and how to reach them most efficiently.
What are the benefits of Applecart?
Applecart maintains a respectable share of the audience intelligence market for a reason. Their methodology is clever and unique, relying on the well-known political impact of social pressure.
“Applecart has really defined the Opinion Maker targeting space,” says Brian Rose, Tunnl’s Vice President of Account Management. “They do a great job of figuring out interpersonal networks and connecting their activities to online actions - but they have a very different approach than we do.”
Social pressure, also known as community pressure, has been shown to increase voter turnout by capitalizing on the fear of missing out or the fear of peer judgment for not being an active participant in politics when all your neighbors, friends, or colleagues are. Peer pressure works, for better or worse.
Applecart provides a unique product and opportunity through their delivery of a strategically defined, researched, and narrowed web of contacts with access to your main target. Get to them, and you’ll get to your goal.
The Advantages of Halo
With Halo, you get:
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Immediate access to ready-made influential audiences across policy, healthcare, and finance industry opinion makers.
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The ability to customize audiences by curating the spheres around the stakeholders that matter to you.
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Scalable reach to millions of influential individuals, refreshed regularly to reflect evolving networks and community engagement.
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Insights that guide strategy from preferred TV networks and digital platforms to sentiment trends in earned and paid media.
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Opportunities fore insights when you add survey questions to the Opinion Maker survey to forecast insights among Policy Opinion Makers.
Halo is designed for organizations that need both precision and scale, whether your campaign is focused on one issue or an ongoing reputation strategy.
Is Halo Right for You?
If your goal is to force a single stakeholder into action and:
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Elevate your message among Washington insiders,
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Reach activists and community leaders driving grassroots narratives,
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Engage executives, investors, or boards who move markets,
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Or build influence across multiple spheres simultaneously —
...then Halo is the solution built for you.
The Bottom Line
Influence today isn’t just about who knows whom. It’s about the ecosystems of trust, authority, and visibility that shape decisions at scale.
Tunnl Halo helps you see those ecosystems clearly — and reach into them with precision. If your campaign needs to resonate like a chart-topping song, Halo gives you the playbook to make your message unforgettable.
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