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Hi, I'm a newb to all of this and having an issue. I'm on mac and using MAMP to upload to my localhost. I managed to get all the steps working until Step 6. In my console on my localhost I get 'Failed to load resource: the server responded with a status of 404 (Not Found) http://localhost:8888/socket.io/socket.io.js' as well as 'ReferenceError: Can't find variable: io'. My Arduino has the LED on but none of the HTML controls do anything to change it. When trying to run 'node webtest.js' in terminal when in the MAMP localhost folder, I also get a ' events.js:141 throw er; // Unhandled 'error' event' appear. If anyone can help at all it would be very appreciated!