The $100B number comes from a satirical post: <a href="https://signalvnoise.com/posts/1941-press-release-37signals-valuation-tops-100-billion-after-bold-vc-investment" rel="nofollow">https://signalvnoise.com/posts/1941-press-release-37signals-...</a>.<p>The author clearly did not get the joke.