Typical.
If I were to ask a group of adults the same question, a similar percentage would acknowledge that their online work is pretty much summed up on one word: Google. (ok, and maybe bill paying, Ebay and Craigslist)
Most people I know don't read that many blogs nor understand what they are all about.
This is why bloggers must stay the course, patiently explain their craft and edit the myth that blogging is only about ranting and raving.
But you already knew that.
Following up: Why I Stopped Reading Your Blog by Michael Hyatt