5. Order up!
Kagan said one of the first uses of virtual reality may be at restaurants to allow customers to make their to-go food orders instead of calling in or using the Web.
"Let's have some fun and imagine this," he said. "Instead of making a phone call, you can talk virtually face-to-face with a waitress at the pizza place. She can help you place your order. You can see the pizzas. Then as the technology continues to advance, you will be able to smell the pizza. It's just a better experience."
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