Video: Django’s Adrian Holovaty Shows Off EveryBlock’s Guts
webmonkey.com
webmonkey.com
The big news (to me, anyway) is that under the terms of the grant under which EveryBlock is developed, it will be open-sourced on June 30.
There's some interesting discussion right at the beginning about their data model, which seemed to be forcing non-relational data into a relational model. This was actually addressed in a question about 34'15"; he said they'd been investigating CouchDB, but are currently limited by the lack of geospatial support.
It was also interesting that it became more of a discussion about Open Data than python or django itself.