Why buy IOTA?

Why would someone consider investing in IOTA? Could you elaborate on the unique features and potential benefits it offers? How does IOTA's tangle technology differ from traditional blockchain architectures? Is it suitable for large-scale transactions and data exchange? What are the risks involved in investing in IOTA, and how can investors mitigate them? Finally, what's the long-term vision for IOTA, and how does it fit into the evolving landscape of cryptocurrency and finance?