Robinhood offers a platform for trading stocks, options, ETFs, and cryptocurrencies, aiming to make investing accessible and affordable for everyone. Users can trade without paying traditional brokerage fees and can invest in fractional shares, allowing them to buy portions of expensive stocks. The company generates revenue through a premium subscription service, interest on uninvested cash, and rebates from trading venues. A unique feature is its IPO access, which allows users to buy shares before they are publicly traded, leveling the playing field for individual investors.