malfunctioning

Hi! I originally posted this over at Reddit first, but I figured I might as well try here. As with many of you, my Mac is my livelihood and I'm very dependant on it, so I cannot help but get somewhat uneasy when it fails. So, my beloved friend and trusted working partner suddenly malfunctioned...

Hi all, I recently purchased a 13" MacBook Pro w/ Touch Bar. Over the past few days, my "e" key has begun responding intermittently, mostly working but sometimes not (sometimes double-entering as well), all without contact from food or water. I tried compressed air to no avail. I took it...