Originated from a science fiction and popularized by virtual world platforms $($video games$),$ metaverse

has attracted more attention lately, especially when Facebook has decided to change its company name

to reflect its dedication in metaverse. Please read this WSJ article $($ and the video $($on YouTube$)$ that accompanies it$,$ where a famous

journalist from WSJ Joanna Stern shared her experience with Metaverse, using a VR headset. Given the

rising attention to this new direction, please apply the Chain Ratio Method to predict the annual sales of

the VR headset $10$ years from today. There may be multiple ways to establish the $$chains$,$ please

articulate the reasoning of yours