"Get an A+ with Spray Plus."
Watch the video here.
Spray Plus ("sprAy plus") was the Funniest Hack winner at HackUMass 2017. It's an IOT spray bottle with a Chrome extension that activates when you visit Youtube or Facebook!
Made by Michael Yang and Harrison Liu.
The Chrome extension script only runs when the URL matches that of Youtube or Facebook. It then repeatedly pings a local node.js server, which communicates to an Arduino using the Firmata protocol to activate the spray bottle. You can toggle the chrome extension to be on or off as well.