This is a great idea! How didn't anyone think of it before! I have to build it! Now!

What you are able to visualize and as per your Enterest you Explore the Venture.

"No one has ever created "X", I want to build "X" because I think everyone will love it and it will improve their lives!"

3 Steps process

1. Focus Value Proposition

2. Find the Main Assumptions to Validate 

3. Search the Shortest way to validate the assumptions.