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Nine Ruby
Blog

Insights on AI,
marketing & growth.

Strategies, case studies, and deep dives into how AI is transforming modern marketing.

AI automation
AI & Automation

How We Built an AI That Writes Better Email Subject Lines Than Humans

Our internal AI model now outperforms human copywriters on open rates by 23%. Here's the architecture behind it and what we learned.

Mar 5, 2026 Read →
Sales funnels analytics
Funnels

The Self-Optimizing Funnel: A/B Testing on Autopilot

Why traditional A/B testing is dead, and how AI-driven multi-armed bandit testing delivers 3x faster results with less traffic.

Feb 28, 2026 Read →
Marketing strategy dashboard
Strategy

Marketing Budget Allocation: Let AI Decide Where Your Money Goes

We tested AI-driven budget allocation against human marketers for 6 months. The results were decisive.

Feb 20, 2026 Read →
Email marketing
Email

Reviving Dead Email Lists: The AI Reactivation Playbook

89% of "dead" subscribers aren't actually gone — they're just bored. Here's our 5-step AI playbook for bringing them back.

Feb 14, 2026 Read →
AI technology
AI & Automation

Ruby AI vs. Generic ChatGPT: Why Specialized Models Win at Marketing

General-purpose AI is impressive but inconsistent for marketing. Here's why we built Ruby AI with domain-specific training.

Feb 8, 2026 Read →
ROI measurement
Strategy

The 3.2x ROI Framework: How We Measure AI Marketing Success

ROI in AI marketing isn't just about revenue. We break down our full measurement framework, from lead quality to cost per acquisition.

Jan 30, 2026 Read →
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