If you wanted to hear or read more from David, the place to start is his blog Contrary Brin. Here also is a collection of articles, nicely categorized, which in turn links to this collection of interviews.
Here's David's TED-X Talk, where you can hear a bunch of the very lines (often with the same intonation!) as were delivered on the podcast (and you can hear some bits that I edited out, such as the "lamps on the brow" bit):
Watch on YouTube.
So I challenge you folks to take the time you've put into this guy, whether just listening to him on our show, or looking at the above, or reading his books (some of which you really may well like even if you have not much interest in him as a speaker), and use the comments section here to point out and thresh out what worthwhile philosophical insights you find in here.