Thought some Kelly bloggers might enjoy this video, I believe Brian shows up to Geolunches once and a while.
"Googler Mano Marks demonstrates techniques for using view based refresh (VBR), and other dynamic querying techniques in KML. He show how it works in Google Earth and Google Maps, and talks about server-side coding techniques for generating the KML. And geo developer Brian Hamlin demonstrates a specific application of Dynamic KML, using PostGIS with Google Earth.
This talk is very useful for developers who want to use servers to store data, and show subsets to their users based on what is displayed in their viewport or browser."