"On-Topic: Anything that good hackers would find interesting. That includes more than hacking and startups. If you had to reduce it to a sentence, the answer might be: anything that gratifies one's intellectual curiosity."
"Please don't submit comments complaining that a submission is inappropriate for the site."
So you would have been fine if this article was posted here on the day it was written instead? That's a bit arbitrary because the story itself is much older than five years and wouldn't have been "news" than either.