Customer Development Labs
Looks almost like a step-by-step to getting interviews with potential customers by cold emailing them. Could be worth the effort.
I recently crafted an online survey to validate an idea for a business that I had. I used Google Forms and found a tutorial that walked me through hosting it, completely customized, on an independent site. I spent way too much time jerking around with customizing Google’s source and making the form look pretty and functional. I could have solved my problem using Mach Forms and will definitely use this product in the future.