Middle class is a socioeconomic category of people who fall into the median range of income for the geographic area in which they live.

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Put-call parity is the relationship between the price of European put and call options with the same underlying asset, strike price, and expiration.

AI could be a boon for workers by redefining expertise, lowering barriers to opportunity, and creating new career pathways.

How is AI different from a neural net? How can a machine learn? What is AGI? And will DeepSeek really change the game? Read on to find out.