Whether it be 5G, the network edge, or the metaverse, 2021 brought a lot of technological advancements. In this episode, Steve Alexander, Ciena's Chief Technology Officer, Jürgen Hatheier, Ciena's Chief Technology Officer EMEA & APJ, and Craig Williams, Ciena's Chief Information Officer, discuss what surprised them the most in 2021, and what they expect to see in 2022.