None of them screams "perfect idea" -- they're all ordinary ideas created by regular people who executed on them successfully. Get inspired by the stories, pick up any of the numerous solid-gold nuggets of tactical advice, then *ship something*.

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Excerpt from HackerNode Interview:

What was your big differentiator? The main thing that differentiates HackerNode from other hacker news reader apps is good UX. I have spent a lot of time to make sure the interface is smooth and intuitive. For example on the iPad you will notice that the cascading animations are very smooth and realistic. I have spent a lot of time getting this right.

Excerpt from Domai.nr Interview:

How did you know this would be a worthy project, and how did you get started? Well once [name] joined us we had enough manpower to actually build it out, and it was our best idea that a) we continually used ourselves [thanks to the original JavaScript prototype], and b) could generate revenue via affiliate relationships. It followed the principle of building something for yourself and see if anybody else has that same need. And then see if it can earn money.” We knew we needed some time away from our daily routines to focus on it, so we rented a house up in Mendocino for a week with the goal of finishing it. During that week [name] built out the backend, [name] redesigned the frontend, and I did everything else — gathering and normalizing the data via Mechanical Turk, testing, affiliate setups, etc. We launched it the last night we were there.

Excerpt from Monster coloring Book Interview:

What happened next? Because we had invested so much time in the creation of Monster Coloring Book (2.5 people at 50 hrs/week for six months with zero outside funding) we were hoping for a strong launch. That didn’t happen instantly, but within a week of launch we had been picked up in a couple of key social media hotspots (HN for one..) and we started to receive some accolades...

Excerpt from Bingo Card Creator Interview:

What technologies are you using now? As I grew in programming ability, the BCC marketing site transitioned from a static HTML site to a Ruby on Rails application, largely because this allowed me to conveniently publish large amounts of bingo-related content. (I have 942 or so individual bingo activities, with the intent of ranking for any activity a subject could possibly want to teach a lesson about using bingo.