Bicell Ads - The ND Hackers Form From Scratch

The more constraints you have, the less tempted you are to build your own solution. If you're low on money or don't raise a ton of money, you'll be focused on finding customers and delivering value. You can come up with a million justifications in your mind for why you need this feature but it's so hard to resist. But anyways, so now you've launched Bicell ads back to your story. How did you find your first customers?