I think Colin's note was about the people you're providing the service to, not you specifically. I agree with him about using pre-launch pages extensively as '

I think Colin's note was about the people you're providing the service to, not you specifically. I agree with him about using pre-launch pages extensively as 'market testing' when you're not sure about whether you're going to build the product or not. As someone pulling together a product and wanting to use a pre-launch page after commiting to the build and during face-to-face research, I found your article most useful.