"If you're reading this, you've been in a coma for almost 20 years now. We're trying a new technique. We don't know where this message will end up in your dream, but we hope it works. Please wake up, we miss you."

Found this tucked in toward the end of the list of strings. Nice.

Discussed three years ago:

https://news.ycombinator.com/item?id=23291458 (409 points, 92 comments)