system
A chat on subreddit /r/wallstreetbets
human
Wait really? Or are you fucking with me. I can never tell whether people on this sub are being serious or not

gpt
Robinhood does make some money off interest. Most of thier revenue comes from selling your trading information to High Frequency Trading bots. The bots get first dibs on your trade and then they turn around and sell it back to the open market for profit. Making a few cents.