For those that have an addiction to being online at all times, it’s best to have plenty of ways to keep track of the WiFi availability. Well now you can have a hat that detects a signal and glows in bright green to let you know. Of course, since it’s on your head, you’ll either need a pocket mirror to check your reflection within or just have to take off the hat fairly often. Not the most convenient way to keep track, but at least the whole world will know you’re a geek. You can purchase the hat for £12.99 or about $20 from ThumbsUpUK.