
Proof of Concept is a digital publication about creativity and experimentation for designers, builders, and entrepreneurs.
| Platform | Pricing | Freemium | Publishes | Weekly | |
|---|---|---|---|---|---|
| Issues | 322 | Founded | 7 years ago | Last Issue | 9 days ago |
| Active | |||||

I keep hearing the phrase “software factory” as teams adopt agents and more automated development workflows. I understand the appeal. A factory sounds efficient. It suggests repeatability, throughput, quality control, and a system that can...
For years, the laptop meant freedom to work anywhere. My first Mac was the black 2006 MacBook I paid for it myself and took it everywhere. Later, a second-generation 13-inch MacBook Air was the workhorse when I lived nearly a year when I li...
I love ecosystem design because it forces you to consider design beyond the product boundary and its interface. Instead, you work through the conditions and capabilities needed for people to be success on your platform.
I’ve ben fortunate...
In software and product development, the ledger of work is not a new concept. Software developers have used Source Code Management (SCM) tools for decades to track and memorialize decisions of work. There are also tools such as Jira that ar...
On a recent flight, I rewatched one of my favorite films: Michael Mann’s Heat. It is firmly in my top five and a reminder that the perfect runtime might be three hours. The 1995 film is now regarded as one of the great crime sagas. It was a...
Subscribers, engagement, traffic and sponsorship for Proof of Concept.
| Subscribers | Engagement | 75 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Where Proof of Concept ranks on Google, and how much search traffic it brings in.
| Ranked Keywords | 517 | Monthly Search Traffic | Top Keywords |
|---|
How this newsletter ranks in the official Substack charts.
| #62 | |
| #95 |
The writers behind this newsletter.
Investing and building tools that revolutionize the internet.
You can find recent issues that have been published by Proof of Concept on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
To see how many people subscribe to Proof of Concept, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
Newsletter advertising can be extremely effective when it's done right. Before you pitch Proof of Concept as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Proof of Concept using the contact information provided and ask for a copy of their media kit.
Scroll up to where it says Related Newsletters to see other publications like Proof of Concept. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.