Making money from data is no longer limited to large companies in Silicon Valley. The emergence of modern data marketplaces has made it possible for anyone to profit from their data. These marketplaces function as platforms where users can buy and sell data, making it easier for data suppliers to promote and sell their data, while allowing data purchasers to explore and purchase data from multiple sources in one convenient location. Data marketplaces operate similarly to other online markets, such as Alibaba for wholesale products or Airbnb for short-term rentals. They act as intermediaries, connecting buyers and sellers without owning the commodities exchanged. The rise of data marketplaces can be attributed to several factors, including the exponential growth of data production, the importance of external data to enhance business strategies, and the emergence of data-as-a-service (DaaS) as a reliable revenue stream. Data marketplaces also provide a secure and transparent way to access and monetize data while ensuring data privacy and compliance with regulations. These marketplaces use features like data productization, discovery, integration, and monetization to facilitate transactions and procurement of relevant data. There are different types of data marketplaces, including personal data marketplaces that empower individuals to share their data with consent and be compensated for it, and business-to-business (B2B) data marketplaces that facilitate data trade between companies. Overall, data marketplaces have revolutionized the way businesses and individuals can leverage data for profit and strategic decision-making.