Why is BNB good?

Could you please elaborate on the benefits of BNB? I've heard a lot about it in the crypto community, but I'm still a bit hazy on its specific advantages. Is it primarily because of its usage on the Binance exchange? Or does it have other unique features that make it stand out? Is it a good investment option for the long term? I'm curious to know more about its underlying technology and how it's positioned in the crypto ecosystem.