Why did BMW, Audi, and Daimler recently get together to buy Nokia's digital map unit for $3.1 billion? In this episode of SAE Eye on Engineering, Senior Editor Lindsay Brooke looks at the map technology recently purchased by the three German automakers. SAE Eye on Engineering can be viewed at https://youtu.be/lQFCc0L0BFk. It also airs in audio-only form Monday mornings on WJR 760 AM Detroit's Paul W. Smith Show. Access archived episodes of SAE Eye on Engineering at www.sae.org/magazines/podcasts.