Ask HN: Was yesterday's post about TTAG a prank?

I was looking for it again today, but can't find any trace of it.

There was also a blog post about it at forbes.com which seems to have disappeared as well.

TTAG was about aggregating retail product mentions on Twitter, FB, and other social media sites, which (supposedly) was a better leading indicator of stock prices than other estimates.

Was it a hoax?