Iteration is the name of the game in human-centered design, and though your solution is now nearly ready to get out into the world, you need to Keep Iterating. What are the ways in which your solution could be just a little bit better? Can you tweak your communication strategy, maybe you’ll need to evolve your revenue plans, or perhaps your distribution plan needs a tweak. As soon as you get your solution out into the world start to notice what could be better and assess how you can make it so. By continuing to iterate, soliciting feedback, and building those learnings back into your solution you’ll get further and further toward having a huge impact.