There are tons of enterprises using polymer already in production. One of the biggest companies in the world in their industry: ING, SalesForce, Electronic Arts

There are tons of enterprises using polymer already in production. One of the biggest companies in the world in their industry: ING, SalesForce, Electronic Arts, Google (including Youtube). Polymer community slack is growing greatly - there are a lot of components that people share, browser vendors finally agreed on shadow dom v1 API, things are looking really great.