From Idea to Implementation: a design note

After a conversation with a legal colleague who’s working on a new software project to simplify how courts and lawyers communicate, I was inspired to sketch out some thoughts on what an idea-person should be thinking about, to take their idea on a path that would lead to successful implementation. How do you get other people to get excited about your idea, enough that they’ll support you in building it, and actually use it once it’s built?