Don't feel bad about the joke, that's how we think of ourselves too (I work at Priceonomics). I think it's actually an interesting advantage versus a content site that just thinks of themselves as a content site.

I miss the old price guides, but I enjoy the blog (it's in my RSS feed). I may even buy the book one day.

For those of you who missed the story of Priceonomics' pivot, Techcrunch has a good writeup: http://techcrunch.com/2013/11/26/priceonomics-data-services/

By the way, blogging as a startup is one of the most difficult products to build. Seriously, imagine a product with users expecting new features weekly, daily, or sometimes hourly.