CES showed me why Chinese tech companies feel so optimistic

They're starting to dominate entire sectors of AI and robotics. I decided to go to CES kind of at the last minute. Over the holiday break, contacts from China kept messaging me about their travel plans. After the umpteenth "See you in Vegas?" As a China tech writer based in the US, I have one week a year when my entire beat seems to come to me--no 20-hour flights required. CES, the Consumer Electronics Show, is the world's biggest tech show, where companies launch new gadgets and announce new developments, and it happens every January.