https://decrypt.co/resources/what-is-google-bard-and-can-it-compete-with-chatgpt

In a simple interface, a question to Bard will retrieve and display blocks of information, ChatGPT does the same but in a single text prompt.

https://decrypt.co/resources/what-is-the-bitcoin-fear-and-greed-index

Primarily, the Index is used to reveal the opportunity in the market. Traders can buy Bitcoin when fearful investors sell at a low price and later sell for a much higher price when the Index denotes greed, or high demand.