Mapping continues to be one of the more misunderstood aspects of AV development, so to help clear up the confusion we spoke with one of the godfathers of modern mapping tech. Mark Wheeler is the co-founder and CTO of DeepMap, a company that's been working on onboard HD mapping for AVs since 2016. He explains why mapping matters, how DeepMap builds its HD maps, and how he ended up working in this fascinating space.