I recently had an opportunity to research prototyping tools for my company, Smule. We make a slew of mobile music appsthat let users create their own content, whether that’s singing via karaoke, rap battling, or playing a piano. When the company was still small, product designers used to prototype with engineers, sitting side-by-side and exploring new possibilities. Now, the company has taken on more ambitious features, leaving designers and engineers less time for prototyping. - See more at: https://fombog.com/singlepost?id=18#sthash.Eh4YJJgB.dpuf