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Quantum Computers Have Finally Arrived, But Will They Ever Be Useful? Quantum computing has long been heralded as the future of technology, promising to revolutionize fields from cryptography to drug discovery. After decades of theoretical research, quantum computers are no longer just a futuristic dream—they are here. Companies like Google, IBM, and startups such as Rigetti Computing have built working quantum processors, achieving milestones like "quantum supremacy." However, despite this progress, a critical question remains: Will quantum computers ever be truly useful? The Promise of Quantum Computing Classical computers process information in binary—ones and zeros. Quantum computers, on the other hand, leverage qubits (quantum bits), which can exist in multiple states simultaneously due to superposition. This, combined with quantum entanglement and interference, allows quantum computers to perform calculations exponentially faster than classical ones for specific problem...