“I basically bought a domain... I created a mockup of what I thought the app would look like and I had four value propositions on the screen so I had the mockup of the app and then an email capture and I used Twitter to drive traffic to this website. After just a couple of weeks I had 200 people who inputted their email to download this app that didn't even exist yet.”

Mockup landing page + Twitter DMs → 200 emails for an app that didn't exist

Before writing any code, Fares bought myswimpal.com and put up a four-value-prop mockup with email capture. He DMed strangers tweeting about swimming, favorited their posts, and sent them to the URL. 200 cold emails in two weeks gave him the signal to build v1 — the same playbook works today, swap Twitter for Instagram DMs.