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Should I use The Upside Down Funnel?

Exploring how AI in GTM and GTMEs are transforming the B2B GTM landscape and turning its funnel upside down. - aigtm.engineer

Depends. This is Mada Seghete's free Substack newsletter on AI in B2B go-to-market — not software, so there is nothing to buy or deploy. Read it if you run GTM or marketing and want practitioner AI experiments; skip it if you are evaluating tools.

Confidence

Medium. Based on 30+ public sources; most cover the 'upside-down funnel' concept generally, not this publication as a product.

Ratings

  • Value for money
  • Ease of useNothing to use or configure
  • Feature depthContent, not features
  • Support qualityNo support model exists
  • Security postureSecurity page listed, nothing measurable

Pricing

Not disclosed

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes

Best for

  • B2B GTM and marketing leaders
  • Teams experimenting with AI-driven go-to-market
  • GTM engineers tracking AI tooling

Not for

  • Anyone shopping for actual GTM software
  • Teams needing integrations, dashboards, or vendor support
  • Buyers who want proven case studies with hard ROI numbers
  • Anyone outside B2B marketing — little relevance otherwise

Gotchas - check before you buy

high

There is nothing to purchase or deploy — evaluating it like software wastes time.

low

No published pricing; Substack creators often add paid tiers later — watch for a paywall.

low

Content is strategy essays and tool experiments, not vendor documentation or SLAs.

Pros and cons

Pros

  • Written by a repeat B2B CMO (ex-Branch) running real AI GTM experiments.
  • Covers practical topics: AEO measurement, GTM-engineer workflows, AI tooling.
  • Publicly readable archive; issues viewable without paywall in sources reviewed.
  • Free to read as of sources reviewed.

Cons

  • Not software: no tool, integrations, dashboard, or support to evaluate.
  • No independent reviews, ratings, or customer testimonials found.
  • Very young: earliest sourced posts date to May 2026.
  • Topic is crowded: Buffer, Mailchimp, and others cover the same concept.

Sources & method

Analyzed 10/06/2026 - 10 sources - No known vulnerabilities found in the sources reviewed.

official x4review x1security x1news x4

Key stats

  • Value for money: 4/5

    Rating

  • Not disclosed

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 4/5. Free practitioner content, no paywall found
  • Ease of use. Nothing to use or configure
  • Feature depth. Content, not features
  • Support quality. No support model exists
  • Security posture. Security page listed, nothing measurable
  • Substack newsletter Format Blog plus email issues
  • Mada Seghete Author Former CMO at Branch
  • May 2026 Publishing since Earliest sourced issue
  • Free to read Price No paid tier found in sources

Pricing

Free tier: Yes

Security

No known vulnerabilities found in the sources reviewed.

What users say

No independent user reviews found; visibility is mostly the author's own posts and third-party blog mentions.

Full analysis

Based on 30+ public sources; most cover the 'upside-down funnel' concept generally, not this publication as a product.

Not a product — a free Substack newsletter on AI in B2B GTM by ex-Branch CMO Mada Seghete. Read it; don't evaluate it as software.

Methodology

Based on 30+ public sources; most cover the 'upside-down funnel' concept generally, not this publication as a product.

Sources

  1. official
  2. official
  3. official
  4. official
  5. Product security pageaigtm.engineer
    security
  6. news
  7. news
  8. review
  9. news
  10. news

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