Innovation is problem-solving. Radical innovation is seeing normalcy as problematic, and solving it. That level of invention, which solves a generally unrecognized problem to create a new product category, or user experience, can be difficult to recognize in the conceptual stage. A far-reaching idea can seem trivial if it solves routineness. Sometimes it takes the product itself, the manifested experience, to demonstrate how to rise above the customary. Email solved postal mail, which died another incremental death last week by announcing a proposal to end
