Two recent podcasts with interviews about Google Maps.
- BBC's Witness History (9 mins), interviewing Google Maps cofounder Lars Rasmussen. He talks about how the idea was developed and picked up by Google.
- Where the Blue Dot comes from - Daniel O'Donohue interviews Ed Parsons from Google. They discuss how different background location services work together to understand your location on mobile - a lot of it is cell tower triangulation and wifi geolocated hotspots rather than GPS, which drains battery