Cat Generator lets a large tabby interrupt your social media time. Credit: ZOKUZOKU Get the Popular Science daily newsletter💡 Breakthroughs, discoveries, and DIY tips sent six days a week. Every day, the average American spends nearly 2.5 hours scrolling through social media . Cats , on the other hand, waste approximately no time on the internet. Which species generally appears less stressed and anxious? Sure, this may not be the most scientific analysis about mental health and screen time , but it’s never a bad idea to try limiting the amount of idle time wasted in front of a computer or smartphone. And while there are plenty of apps and devices promising to reduce your social media consumption, their results are often uneven and many require costly subscription fees. Knowing this, a developer in Japan released a completely free Chrome browser extension designed to throttle your doomscrolling. Their secret weapon? Cat Gatekeeper . “You know that cat who always shows up right when you’re trying to work?…