Boostt AI SSI

Intent Signal Harvesting 2.0: Introducing the Boostt AI SignalStack™ Index (SSI)

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Boostt AI SignalStack™ Index (SSI)

Marketing’s Next Leap: From Guesswork to Predictive Growth

Marketing used to be a numbers game. Blast thousands of prospects with the same message and hope a few convert. However, with advances in intent signal harvesting, businesses can now focus on understanding customer needs to personalize their marketing strategies. But when budgets tighten and customers expect personalization, that approach falls apart.

The truth is, your prospects are already telling you what they want. Every click, scan, visit, and email open leaves behind a clue about their readiness to buy. The challenge isn’t generating signals—it’s capturing them across channels, interpreting what they mean, and acting on them before the moment passes.

That’s where intent signal harvesting comes in. By unifying behavioral data from direct mail, email, ads, and web activity, marketers can predict who’s ready to convert and orchestrate the next best action in real time. This isn’t guesswork. It’s precision marketing powered by AI.

And now, with the launch of the Boostt AI SignalStack™ Index (SSI), that predictive precision reaches a whole new level.

Why Intent Is the New Currency of Growth

Customer journeys are no longer linear. A prospect might see a connected TV ad, receive a postcard, click an email, and browse your website—all within a week. Each interaction reveals something about their interest level, but only if you’re tracking it.

When those signals stay siloed in separate platforms, you lose the thread. You can’t tell if someone who opened your email is the same person who scanned your QR code. Without that connection, you waste budget repeating messages to people who’ve already moved forward—or worse, ignore high-intent prospects because you didn’t recognize their behavior.

Marketers who can collect, connect, and act on cross-channel intent signals gain a decisive advantage. Instead of guessing who’s ready to buy, they focus resources on the moments that matter most. They deliver the right message at the right time, across the right channel, and watch conversion rates climb.

The SignalStack™ Index changes that. It converts millions of raw engagement signals into a unified, weighted score that quantifies customer readiness — across channels, in real time.

What Is Intent Signal Harvesting?

Intent signal harvesting is the process of capturing and interpreting behavioral cues that reveal a prospect’s readiness to act. These signals come from both online and offline channels, including:

  • Direct mail engagement: QR code scans, personalized URL (PURL) visits, or call tracking numbers
  • Email activity: Opens, clicks, forwards, or replies
  • Digital ad interactions: Clicks, video views, or conversions
  • Website behavior: Session duration, page views, scroll depth, or cart additions
  • Cross-channel patterns: Sequences like “email click → site visit → checkout start”

By layering these behaviors together, marketers can understand not just who is interested, but how ready they are to convert. A single email open means curiosity. An email click followed by a website visit and a direct mail scan? That’s high intent!

The key is connecting the dots across channels so you see the full picture, not just fragments.

Why Intent Matters Across Channels

Customers don’t follow a predictable path anymore. They bounce between devices, platforms, and physical mail. A homeowner might see a solar panel ad on YouTube, receive a postcard the next day, and then click a follow-up email before visiting the company’s website.

If those signals stay trapped in separate systems, you lose visibility into their journey. You can’t see that the person who clicked your ad is the same one who scanned your QR code. That fragmentation leads to wasted spend, redundant messaging, and missed opportunities.

Cross-channel intent harvesting solves this. It enables you to:

  • Detect engagement wherever it happens—whether someone responds to direct mail, clicks an ad, or browses your site
  • Adjust messaging dynamically based on where they are in the journey
  • Prioritize high-intent audiences and reduce wasted impressions on people who aren’t ready

When you connect the dots across mail, ads, email, and the web, your campaigns become predictive instead of reactive. You stop broadcasting and start orchestrating.

Introducing the Boostt AI SignalStack™ Index (SSI)

Traditional intent scoring stops at single-channel metrics.

Boostt AI’s SignalStack™ Index (SSI) goes further — it stacks, weights, and decays every behavioral signal into one adaptive metric that reflects true engagement depth.

How SSI Works

Each user’s SSI is determined by:

  • Recency → Fresh behaviors hold more weight.
  • Frequency → Repeated engagement builds momentum.
  • Action Strength → A QR scan or “Add to Cart” shows more intent than an email open.
  • Cross-Channel Multipliers → Signals from multiple channels compound exponentially.
  • Decay Curves → Older actions fade in impact over time (half-life decay).

As behaviors stack, SSI continuously recalculates to reflect a user’s current level of purchase readiness.

ChannelKey SignalsIntent StrengthHow It’s InterpretedExample Journey Trigger
Direct MailQR code scanned within 10 days of delivery🔥 HighOffline → Online bridgeTrigger personalized ad + follow-up email
EmailOpened and clicked within 72 hours🔥 HighClear digital engagementMove to conversion-stage nurture
Digital AdsClicked ad + viewed product pageMediumExploration stageShow testimonial or offer-based ad
Web Events2+ visits in a week, scrolled >50%, dwell >2 min⚙️ MediumResearch behaviorLaunch educational drip sequence
Web EventsAdded to cart but no purchase🔥 HighStrong buying intentSend abandon-cart email or mailer
Email OnlyOpened, no click🧊 LowAwareness onlyStay in light nurture

The Result:


A real-time engagement index that classifies every prospect into one of four Intent Bands:

BandScore RangeMeaningAction
High80–100Ready to convertSend offer/demo CTA
Medium50–79Needs nudgeDeliver incentive or proof
Low20–49Early curiosityKeep in nurture sequence
Dormant<20UnengagedPause and re-engage later

Why SignalStack™ Beats Traditional Scoring

Unlike static lead scoring, SignalStack™ continuously learns from every signal — online or offline.
It doesn’t just add up actions; it understands sequence, timing, and intensity.

Example:

  • A QR scan (offline → online bridge)
  • Followed by a web visit (medium intent)
  • Then a cart addition (high intent)
    → SSI spikes to 92, automatically triggering conversion-stage outreach.

This is intent stacking in action — where each signal compounds the last, turning a fragmented customer journey into a predictive storyline.

How Boostt AI Makes It All Work

1. Unified Signal Graph

All signals — from direct mail QR code scans to email clicks to site events — are linked in a unified, time-sequenced graph that shows each customer’s engagement journey.

2. Predictive Intelligence

Boostt AI’s models continuously rescore users as new signals appear.
The platform doesn’t just detect engagement — it predicts who will convert next.

3. Omnichannel Orchestration

When a user crosses an SSI threshold, Boostt AI automatically triggers the next-best action — whether that’s a follow-up email, dynamic direct-mail piece, or addressable ad.

4. Measurement & Learning

Closed-loop attribution ties every SSI change and conversion back to the originating channel, feeding data back into the model for continuous optimization.

Real-World Example

A homeowner receives a postcard about solar installation:

Monday → Direct mail delivered
Tuesday → QR scanned, web visit (SSI = 65)
Wednesday → Spends 3 min on site (SSI = 75)
Friday → Clicks “Get a Quote” in follow-up email (SSI = 91 → High Intent)

Boostt AI automatically launches personalized retargeting and sales outreach, converting curiosity into a sale — all before the interest fades.

Why It Matters

With SignalStack™ Index, marketers can:
✅ Focus spend on audiences with proven intent
✅ Connect offline + online engagement for a complete view
✅ Orchestrate predictive journeys that adapt in real time
✅ Reduce wasted impressions and increase ROAS

Marketers using Boostt AI’s SignalStack™ framework have seen up to 8× higher conversion lift across acquisition and retention campaigns.

Turn Signals Into Growth

Your customers are already telling you what they want.
Boostt AI’s SignalStack™ Index helps you listen — and act — before the competition does.

Stop guessing. Start orchestrating.
👉 Request a Demo