Who is using Cardano?

Who exactly is utilizing Cardano? Could you elaborate on the demographics of its user base? Are there any specific industries or sectors that have shown a preference for this cryptocurrency? How about the geographical distribution? Are there particular regions or countries where Cardano is more popular than others? Also, could you discuss the types of activities or transactions people are engaging in with Cardano? Is it primarily for speculative investing, or are there practical applications as well? Understanding these aspects would greatly enhance our comprehension of Cardano's user base and its overall impact in the cryptocurrency ecosystem.