The digital world is a remarkable place, and not only because of the vast number of diverse voices and opinions it supports. It is a place full of vibrant ideas and communities around them. For example, Reddit can have millions of users and still be a counter-cultural site full of people who can find communities by subscribing to the things they care the most about, now matter how niche the subject matter. It's also a place where smaller contributions from many can empower real action. Kickstarter has raised hundreds of millions of dollars for projects that likely never would have become realities. Similarly, charitable acts have never been closer than a click away. Whether raising money for people in need through crowdfunding platforms, or helping people organize to do service work in the real world, it's never been easier to make a difference for someone you've never met before. But the digital world can also be a crowded place. Things can change, and fast. The state of the industry is that of flux, with things constantly moving forward. Mashable 's Innovation Index is a way to look back at the best of the digital world in the last year. To do so, we've selected 14 key influencers in a variety of categories who will curate the five most innovative companies, products or ideas in their category. But we know that this effort can't possibly cover the entire digital sphere. And that's where we want you to come in. There's room