Energy storage innovation, both at micro and grid scale, is at the cusp of several major breakthroughs which are already impacting consumer electronics and autonomous transportation and several other consumer and industrial uses. With that comes commercial opportunities, policy challenges, industry disruption, new business models, and an array of new startups. What are some emerging energy storage technologies? Who are the players? What will this world look like for industry, startups, governments, and consumers? How can existing infrastructure evolve to enable making the most of such breakthroughs?.