Wearable tech — especially wrist-wearables — was expected to explode this year. But that doesn't mean every company should make a smartwatch: For all of the good ones out there, there are others that just don't seem to make a whole lot of sense, whether from a design, functionality or entire-existence perspective. As part of Hack Week we've created a handy flowchart that might help, should you consider releasing a smartwatch.