Real-time data dashboards serve as information management tools that aggregate and visualize data from numerous sources, providing users with actionable insights and enabling data-driven decision-making across organizations. These dashboards fall into three main categories: Operational, Strategic, and Analytical. Operational dashboards are used for real-time monitoring by managers and teams in engineering, operations, and support functions, ensuring timely troubleshooting and system performance assessment. Strategic dashboards cater to c-suite executives, directors, and sales, marketing, and finance teams, offering insights into long-term company strategies and key metrics with less frequent data updates. Analytical dashboards are utilized by analysts and executives in data science, product, and marketing functions to analyze large datasets, predict outcomes, and establish targets through historical data insights. The evolution of data visualization has been significantly influenced by advancements in cloud computing and Software-as-a-Service, making dashboards accessible to users without technical expertise, promoting data democracy, and enhancing the usability of big data. PubNub, for instance, provides operational and analytical dashboards that help developers monitor app health and gather insights for informed decision-making, exemplifying how businesses can leverage real-time data visualization to optimize operations and customer experiences effectively.