"Something my wife and I decided to share with the whole wide world," the dad wrote in a caption on YouTube.
"Let's keep looking to share these kind of things! #autismspeak."
The video was viewed 2.7 million times within seven days of being posted on 19 April.
The video also reached Coldplay, who retweeted the video with the words: "This kind of thing makes it all worthwhile."
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