The Marketing Brain

The psychological machinery behind every buying decision.

2.5xLosses hurt more than equivalent gains (Kahneman & Tversky)

5 LevelsMarket awareness determines which message actually works

6 WeaponsCialdini's principles of persuasion that drive every decision

72:1Email marketing ROI when sequences are properly built

The patterns that sink startups and solo projects.

42%Startups die from 'no market need' — built what nobody asked for

2-5xSolo founders consistently underprice their products

3-8 secTime visitors give your landing page before they decide to stay or leave

20-28%Of landing page text that visitors actually read (Nielsen Norman)

Distribution beats product. The channels with real ROI data.

4.7xReddit ROAS after Sep 2025 algorithm update

$0.10-0.30YouTube Shorts CPV — 56% savings vs TrueView

50-75%Affiliate commissions that attract serious ClickBank promoters

702%Organic search ROI (but takes 7 months to break even)