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Samples, Reactions, Insights – Measuring Engagement During a Street-Level Brand Activation

How ECHO POSTER’s Urban Campaign Was Powered by RVC Digital's Anonymous Video Analytics (AVA)

Introduction – Urban Campaigns Are Evolving, and So Are the Metrics

Trams with full-body wraps, glowing LED trucks, and reverse graffiti can create powerful moments — but few campaign formats generate emotional response like a food truck. It’s mobile, it’s interactive, and it brings people together. During the Huel Roadshow, the food truck was more than just a distribution point — it became the centerpiece of brand experience.

ECHO POSTER brought Huel to life across five German cities using a full street-level media toolkit. Meanwhile, their technology partner, RVC Digital, was quietly measuring real-time reactions using its privacy-first AVA system — Anonymous Video Analytics — to provide valuable behavioral insights.

What Rolled, Lit Up, and Got Tasted — Inside the Huel Street Campaign

ECHO POSTER’s Huel campaign spanned multiple cities and formats, blending traditional and unconventional outdoor tools into a unified brand presence.

Six Urban Formats That Turned Heads

  • Food truck activations with sample distribution
  • LED trucks driving through high-traffic zones with glowing visuals
  • Tram advertising for sustained visibility along commuter lines
  • Poster bombing & sticker placements in urban hotspots
  • Beamer projections lighting up city walls at night
  • Reverse graffiti — clean, creative branding on pavements

Thousands of Huel bottles, tote bags, discount cards, and branded stickers were handed out. But the real question was: Who actually connected with the brand?

Why Real-Time Measurement Is Important

Product sampling creates direct contact — but did it create lasting attention? During any street activation, it's essential to understand:

Real-time audience analytics helps answer these questions — turning momentary contact into measurable insight.

Anonymous Video Analytics (AVA) by RVC Digital

RVC’s AVA platform is built for a singular purpose: to capture real-time audience behavior without identifying individuals. It blends edge AI, anonymous face orientation detection, and fully GDPR-compliant processing — making it perfectly suited for public environments.

Key Metrics Captured:

OTS (Opportunity to See / Footfall)

How many people walked past the campaign zone

Gross Impressions

How many of them actually looked at the activation (via face orientation)

Conversions

How many watched long enough to be considered meaningfully reached

Watch Time / Dwell Time

Duration of active attention vs. passive presence

Demographics (Estimated)

Gender and age group

Mood Detection

Facial cues indicating interest, surprise, frustration, or neutrality

How It Works — Anonymous, GDPR-Compliant by Design

RVC Digital’s AVA system is built from the ground up to protect privacy while delivering actionable, real-time audience data. The platform never records or stores video. Instead, it processes incoming visual signals locally — directly on the device — using edge AI.

Faces are not identified or recognized. The system detects general orientation and engagement, no biometric or facial data is stored at any point.

Each person detected receives a non-identifiable session ID, allowing for behavior to be tracked statistically, not individually. The only data retained is aggregated, anonymized, and GDPR-compliant — making the system safe and legal to deploy in public spaces like street-level campaigns, stations, or in this case, the food truck.

This approach enables rich insights — such as footfall, impressions, conversion rates, dwell time, and even mood estimation — while ensuring full compliance with European privacy standards. Real behavior, real data, no risk.

What the Campaign Measurement Revealed

Even without storing any personal data, the AVA system revealed clear behavioral trends that helped shape the campaign’s execution on a day-to-day basis:

  • Footfall patterns clearly reflected local routines: early afternoon peaks were linked to lunch breaks, while sharp surges before and after standard working hours revealed commuter windows. At each location, the system identified when people typically arrived or left work — enabling precise scheduling of activations.
  • Gross impressions remained steady throughout the day, with consistent levels of attention observed from morning through evening. Audiences showed a balanced readiness to engage visually across different times, without major peaks or drops.
  • Conversion rates rose during mid-afternoon slots, when audiences had more time to interact with the brand, ask questions, or engage in on-site activities like the prize wheel.
  • Sentiment dropped in high-density zones with long queues — a pattern confirmed by AVA data and on-site teams alike, prompting staff to adjust pacing and distribution methods.
  • The measurement system precisely identified the age distribution of engaged viewers — as well as when different demographic groups were most responsive — offering a valuable basis for optimizing audience targeting over time.

This wasn’t just validation — it was real, time- and location-based insight that made the difference.

From Reaction to Optimization

Because the RVC AVA system provided near real-time metrics, the ECHO POSTER team was able to make on-the-fly decisions:

Rather than relying on post-event guesswork, the team had live behavioral data guiding execution.

A Partnership Where Creativity Meets Analytics

The campaign success came from ECHO POSTER’s sharp creative strategy, multi-touchpoint rollout, and field execution. But RVC Digital's AVA system helped convert a campaign from seen to understood.

ECHO POSTER
Creative urban media design
Sample distribution rollout
Multi-format activations
Field logistics & experience

RVC Digital (AVA)
Anonymous real-time audience analytics
Privacy-first visual attention tracking
Edge AI-based behavioral insights
OTS, Impressions & Conversion metrics

Together, they didn’t just run a campaign — they measured its meaning.

Why This Approach Matters for Modern OOH

As cities become more saturated with stimuli, brands need better tools to measure attention — not just exposure.

Anonymous Video Analytics bridges this gap by:

  • Respecting privacy while unlocking behavioral trends
  • Measuring who actually looks (not just who passes)
  • Understanding why someone stays or moves on
  • Testing format effectiveness (tram vs. poster vs. projection)

The city is alive. Now we can listen — ethically, in real time.

Conclusion — The Future of Street Campaigns Is Measurable

Tens of thousands of samples were distributed during the Huel Roadshow. But the most valuable takeaway may have been clarity.

Thanks to RVC Digital, it became clear:

  • Where attention was gained
  • When curiosity peaked
  • How different formats performed
  • And how people actually felt

In a crowded street, it’s easy to be seen. But to know you were noticed — that’s the true win.

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Have questions or need more information? Our team is here to help! Reach out to us today, and we'll be happy to assist you with any inquiries about RVC.DIGITAL or our services. Don't hesitate—contact us now!

Reach Us with a Simple Click!

Have questions or need more information? Our team is here to help! Reach out to us today, and we'll be happy to assist you with any inquiries about RVC.DIGITAL or our services. Don't hesitate—contact us now!
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