Comment “AI” and I’ll send you the full guide. Drew Houston got 75,000 signups for Dropbox before the product even existed. He made a simple explainer video, added a waitlist, and let demand validate the idea. That strategy is called a fake door test, and smart founders still use it today before writing a single line of code. If you’ve got an idea sitting in your notes app, you can validate it the same way. Go to rocket.new, describe your product, the problem it solves, and how you want the page to look, and in under a minute you’ll have a full landing page with a hero section, feature breakdown, working signup form, and clean animations. Hit launch, share the link, and start collecting real interest before building anything. Validate first. Build second. #startups #founder #validation #aitools #buildinpublic