Remember the Ctrl-Alt-Delete Wand? It was a handheld tool that could reach the Ctrl, Alt, and Delete keys on a standard-size keyboard back in the late 1990s.
Sure, it accomplished a purpose, but did it catch on? No, because it's a useless tool, requiring more energy to reach for than the alternative of accomplishing the task by hand. This Rube Goldberg machine overcomplicated a problem people didn't really have.
To be relevant, technology must have compelling use cases for resolving problems. The most important question to ask when creating a new technology isn't whether it's cool, cheap, or flashy - the most important question to ask is, "Can this improve people's lives?"
Read the full article here: http://tech.co/build-human-centered-technology-2015-10