Kill Your Darling | 62 followers on LinkedIn. To experience innovation you sometimes have to let go of your favorite idea and Kill Your Darling. | Kill Your Darling is an innovation agency in Berlin. The agency works with Design Thinking to support companies and organizations all the way: From designing user- centered products and services to creating sustainable strategies for the future. In addition, “Kill Your Darling” offers workshop formats to encourage entrepreneurial thinking and provides interactive training on how to work more creative, efficient, and structured.