The COVID pandemic was the most important thing to happen to logistics and supply chain management since the invention of the truck. There’s a problem, though, and it isn’t a new one: last mile delivery, the silent killer of supply chains. In just the first year of lockdowns, home delivery jumped by 43%, from $571.2 billion in 2019 to $815.4 billion by year’s end of 2020. The next year saw even bigger gains (past $1 trillion!) as people got used to…