Last week, tech companies offered the web their April Fool's "jokes," like cats with dead mice, and we all sort of uncomfortably nodded. It's never been harder to discern a facetious idea from the genuine article than right now—and when "Fitbit for your pet" is considered a real business, who's to say what's a joke anymore?

Before you get too excited wearable technology, keep in mind that it gets abandoned faster than a gym membership. One third of American consumers who own a wearable products like activity trackers or smartwatches stopped using the device within six months.