what is the metaverse and why did facebook change its brand name to meta

Because Facebook wanted to tell the whole world about Metaverse technology and wanted to connect people with this technology on a scale so that visualization could be established in people's mind about Metaverse technology so that people can use this technology easily .

Next we will know about this technology,

what is metaverse technology?

Metaverse technology is a virtual world. Where we will not be able to see ourselves physically but in fact, we will be able to feel. Just like we live in the real world with our friends and family, we will live in the virtual world. Rather, here we will be able to do all that we cannot do in the real world because here we will have such a power that we cannot even imagine.