The Marketur Blog
Advice that costs you nothing and saves you months
Writing about validating ideas, killing bad ones early and building something people actually pay for.
Autopsy | 8/24/2026
Pocket Is Dead. What the Shutdown Teaches About the Apps You Trust
Pocket survived 18 years, a Mozilla acquisition, and 30 million users. It still died. Here is what happened, and what it teaches about trusting any app with your stuff.
Read itAutopsy | 8/24/2026
Google+ Shutdown: How a Security Bug Killed a Social Network
Google+ did not just fade away. A hidden security bug, a Wall Street Journal investigation, and a rushed shutdown tell the real story of how it died.
Read itAutopsy | 8/24/2026
The 2023 Twitter API Ban: Third-Party Apps Died Overnight
Tweetbot and Twitterrific did not get a warning, a timeline, or an apology. They just stopped working one night in January 2023. This is what API dependence really means.
Read itAutopsy | 8/24/2026
Revue Is Dead: What Twitter's Newsletter Shutdown Teaches Creators
Revue was acquired by Twitter, folded into the product, and dead within two years. Creators who built newsletters on it learned the oldest lesson on the internet the hard way.
Read itAutopsy | 8/24/2026
Google Domains Got Sold to Squarespace. Even Boring Products Get Sold.
About 10 million domains changed hands when Google sold its registrar to Squarespace. A domain is the most boring asset on the internet, and it still moved.
Read itAutopsy | 8/24/2026
Parse by Facebook: The Shutdown That Did It Right
Facebook acquired Parse, then shut it down. But they gave a year of notice, open-sourced the server, and published migration guides. This is the shutdown every other one should be measured against.
Read itAutopsy | 8/24/2026
Inbox by Gmail: Why Google Kills Products People Love
Inbox by Gmail had devoted fans and features Gmail would not copy for years. Google killed it anyway. This is why popularity is not protection.
Read itAutopsy | 8/24/2026
Google Stadia's Shutdown: The Full Refund That Still Cost Users Everything
Google refunded every Stadia purchase and users still lost. Money was never the thing at risk. Here is what actually died when Stadia shut down.
Read itValidation | 8/24/2026
What Is a Reality Score? How Business Idea Scoring Actually Works
A good idea score is not a vibe with a number attached. Here is what goes into a serious one, and how to read it without being fooled by it.
Read itValidation | 8/24/2026
How to Validate a Business Idea Without Talking to Customers First
"Talk to customers" is good advice given too early. Here is the evidence you can gather from your desk first, and when conversations actually matter.
Read itValidation | 8/24/2026
Business Idea Validation Checklist (Free, 27 Questions)
Twenty-seven questions, in order, that separate ideas worth building from ideas worth burying. No signup required. Just honesty.
Read itAI Reality | 8/24/2026
The Best Prompt for Validating a Business Idea with AI (And Why It Still Fails)
Here is the best validation prompt we know how to write. Paste it, use it, and then read about why its confident answer still is not evidence.
Read itAI Reality | 8/24/2026
ChatGPT Can't Validate Your Business Idea. Here's Why.
ChatGPT will happily assess your business idea. It will also happily be wrong, agreeable, and out of date. Here is what it can and cannot do.
Read itComparison | 8/24/2026
Best Startup Idea Validation Tools in 2026 (Honestly Compared)
Six validation tools, compared on what they actually do, what they cost, and who each one fits. Including where we lose.
Read itComparison | 8/24/2026
DimeADozen Alternatives for Founders Who Want a Verdict, Not a Report
A 150-page report is the right tool for some founders. If you want the answer first and the paperwork never, these are the verdict-first alternatives.
Read itComparison | 8/24/2026
Preuve AI Alternatives: 7 Tools That Show Their Sources
Preuve AI's pitch is receipts: claims linked to sources. Here are seven alternatives that also show their evidence, compared fairly.
Read itComparison | 8/24/2026
ValidatorAI vs Preuve AI vs DimeADozen vs Marketur: An Honest Comparison
The four validation tools founders actually compare, head to head: what each is built on, what each costs, and where each one beats the others.
Read itComparison | 8/24/2026
Free AI Business Idea Validators: What $0 Actually Gets You
"Free validation" means very different things at different tools. Here is what each free tier actually includes and where the paywall sits.
Read itMarketing | 8/24/2026
Which Channel Fits Your Business? (B2B vs Consumer vs Ecommerce)
"Best marketing channel" lists are useless because they rank channels, not buyers. Match the channel to the moment your customer needs you.
Read itMarketing | 8/24/2026
Content Ideas From Evidence, Not Brainstorming
Stop asking "what should we write about?" Your buyers publish their questions every day. Here is the collection habit that replaces brainstorming forever.
Read itMarketing | 8/24/2026
How to Turn Competitor Complaints Into Your Positioning
You do not need to invent a positioning statement. Your competitors' angriest customers have been drafting it in public for years.
Read itMarketing | 8/24/2026
Amazon Reviews as Market Research: Reading Complaints for Product Gaps
The best product research panel in the world is free, public, and already typed up: the middle-star reviews on products your customers buy.
Read itMarketing | 8/24/2026
How to Find "Alternatives To" Threads About Your Competitors
Somewhere right now, a frustrated customer is publicly asking what to use instead of your competitor. Here is how to find those threads within a week.
Read itValidation | 8/24/2026
How to Test a Business Idea With $100
You do not need money to test an idea. You need a stranger to take one real step toward paying you. Here is the $100 plan that finds out.
Read itStrategy | 8/24/2026
The Amazon FBA Dependency Problem Nobody Warns You About
FBA is the fastest way to reach buyers and the deepest single dependency a small brand can take on. Here is what that trade actually costs.
Read itStrategy | 8/24/2026
Shopify App Founders: What Happens When Shopify Ships Your Feature
Building on the Shopify App Store means Shopify is your distributor, your landlord, and your potential competitor. Here is what happens when it decides your feature should be free.
Read itMarketing | 8/24/2026
Long-Tail Keywords With Buying Intent: How to Find Them
"What is invoicing" is homework. "Best invoicing app for freelance plumbers" is a wallet opening. Here is how to find the second kind for free.
Read itMarketing | 8/24/2026
Reddit Buying Signal Phrases: 40 Searches That Find Ready Buyers
People announce they are about to buy things on Reddit every day. These 40 search phrases surface them, sorted by the kind of signal they give off.
Read itMarketing | 8/24/2026
How to Find Customers on Reddit Without Getting Banned
Reddit punishes marketers and rewards members. Here is how to be the second one: the rules that get you banned, the method that works, and the replies that convert.
Read itMarketing | 8/24/2026
Where Do My Customers Actually Hang Out? A Research Method
Your customers were gathering somewhere before you existed. Here is the five place method for finding the rooms, plus the test that tells a live one from a dead one.
Read itMarketing | 8/24/2026
How to Find Your First 10 Customers When You Have No Audience
No audience, no budget, no brand. Your first 10 customers come from manual work in rooms where people already complain. Here is the method.
Read itStrategy | 8/24/2026
How Many Companies Can Kill Your Business With One Email?
One suspension email from one company can end a healthy business. Most founders have never counted how many companies hold that power over them. Count yours.
Read itStrategy | 8/24/2026
Is Your Business Actually a Feature of Someone Else's Product?
The scariest question in software is not "will it work?" It is "will the platform just build this?" Here is the three question test that answers it honestly.
Read itCase Study | 8/24/2026
Businesses That Died When an API Changed
Some businesses die broke. Others die fully funded because a company they never worked for changed a policy page. The cautionary tales and the survival playbook.
Read itStrategy | 8/24/2026
Building on Someone Else's Platform: How to Calculate Your Real Risk
Rented land is fine for a first business. Not knowing your rent is due is not. Here is the three number formula that tells you exactly how exposed you are.
Read itStrategy | 8/24/2026
Platform Risk: The Business Killer Nobody Puts in the Business Plan
Your biggest threat might not be a competitor at all. It might be the platform you are standing on. Here is how to see the risk before it sends the email.
Read itMarketing | 8/24/2026
My Landing Page Got Signups but Zero Sales. What Went Wrong?
A waitlist that will not buy is the most common false positive in early business. Here is how to diagnose the gap between "tell me more" and "take my money".
Read itValidation | 8/24/2026
How to Ask Friends About Your Business Idea Without Getting Lied To
Your friends are not lying to hurt you. They are lying because they like you. Here is how to structure the conversation so the truth has room to come out.
Read itMoney | 8/24/2026
Free Users vs Paying Customers: Why Usage Isn't Validation
A thousand free users can feel like product market fit and still be worth exactly zero dollars. Here is how to tell usage from validation before you scale the wrong thing.
Read itValidation | 8/24/2026
"There Are No Competitors" Is Almost Always Wrong
No competitors almost never means a wide open market. It usually means you defined your market too narrowly. Here is where the real competition hides.
Read itValidation | 8/24/2026
Is My Business Idea Already Taken? What to Do If Competitors Exist
Finding out someone beat you to your idea feels like a gut punch. Most of the time it is actually the cheapest validation you will ever get. Here is how to read it.
Read itValidation | 8/23/2026
Why Does Everyone Say My Idea Is Great But Nobody Pays?
Compliments feel like traction and spend like confetti. Here's why everyone loves your idea until money is involved, and how to get honest signal instead.
Read itValidation | 8/23/2026
Kill Tests: 12 Cheap Experiments That Disprove an Idea in a Week
You don't test an idea to prove it works. You test it to give it every chance to fail while failing is still cheap. Twelve ways to do that for under $100.
Read itValidation | 8/23/2026
How to Know If Your Business Idea Is Bad (Before You Quit Your Job)
Most people learn their idea was bad from their bank statement. You can learn it this weekend for fifty bucks instead.
Read itMarketing | 8/23/2026
I Built It and Nobody Is Buying. Here's the Diagnostic.
Zero sales is not a verdict, it's a symptom. Four causes explain almost every launch that lands on silence. Diagnose them in this order.
Read itValidation | 8/23/2026
Signs You Should Quit Your Business Idea (And Signs You Shouldn't)
Quitting too late costs you a year. Quitting too early costs you a business. Here is how to tell which mistake you are about to make.
Read itFounder reality | 8/20/2026
AI Will Help You Build Almost Any Idea. That's the Problem.
AI will help you execute a terrible idea just as enthusiastically as it will help you execute a great one. That is the new founder trap.
Read itGuides