Speaking at the Web Summit tech conference in Lisbon, Portugal, on Tuesday, Microsoft's Brad Smith told CNBC that "in many ways," China is close to or is even catching up on technology.

"I think one of the dangers, frankly, is that people who don't go to China too often assume that they're behind," he told CNBC's Karen Tso. "But when you go there, you're impressed by how much they're doing."