Supply Chain - What Are the Biggest Challenges?

One of the questions i have is this in a litle bit higher level here for a second, we hear about supply chain a lot recently. It's been a very hot topic across many different industries, not just iot. But can you talk to ah, what are the biggest challenges you're seeing in the supply chain space right now? And it sounds like in order for us to kind of move forward an improve on supply chain, we need to take somewhat of a different approach to managing supply chain operations. Ayi'll come back to the first part.