Title text:
You say no human would reply to a forum thread about Tom Bombadil by writing and editing hundreds of words of text, complete with formatting, fancy punctuation, and two separate uses of the word 'delve'. Unfortunately for both of us, you are wrong.
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3126/
Hmmm, I think to know for sure, we'll have to throw your device into a lake. Apples float, so if it's a genuine Designed By Apple in California™ computer that supports that option, it won't sink and then we'll know you're telling the truth.