John’s Substack
John WilliamsMy personal Substack
| Platform |  | Pricing | Only free issues | Publishes | Twice weekly |
|---|---|---|---|---|---|
| Issues | 66 | Founded | a year ago | Last Issue | 3 days ago |
| Active | |||||
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itallstartedwithaidea.substack.comLatest Issues
from a garbage bag and food stamps
my caption
come a long ways from food stamps and government cheese and living out of a garbage bag for years.
we all spend so much time looking forward to tomorrow and always talk about yesterday, one is gone and the other may not ever s...
The Toolbox: Everything I Open-Sourced After 15 Years and $350M in Ad Spend
Hey — John here.
If you’re new: I’ve spent 15+ years in enterprise paid media. Farmers Insurance, Prudential, Eventbrite, GM, Columbia, Harvard, NortonLifeLock (192% YoY paid search growth), with agency years at Seer Interactive and Brainl...
A turf-cleaning company texted me an idea.
Ninety seconds, no cuts. Onboarding, a cleanliness score, a before-and-after slider, a booking that takes half a minute, a chat that starts with AI and ends with a person, a one-tap reorder, and the crew’s side of the operation. All of it i...
Hero Conf 2026 Worth Flying In For
Every conference schedule has one block where the tracks fight each other for your attention. At Hero Conf San Diego this September, that block is Track 2, September 15, 1:55 PM — “Paid Media Efficiency.” Three sessions, three angles on the...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for John’s Substack.
| Subscribers | Engagement | 79 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Chart Rankings
How this newsletter ranks in the official Substack charts.
| #154 |
Authors
The writers behind this newsletter.
I'm John Williams, founder of It All Started With A Idea—a digital lab where paid media meets AI and automation. After 15+ years scaling brands like GM and Eventbrite, I now build tools and tell stories for marketers who think like engineers.
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