Virtual reality is getting off to a slow start due to some high prices and supply shortages, but interest in the technology is growing. Across Western markets, 11 percent of people with an Internet connect between the ages of 10 and 65 are considering buying a virtual reality device, according to industry intelligence firm Newzoo. Esports fans are among the most interested. They compose 63 percent of all people planning to get something like the Oculus Rift headset or something less expensive, like a Samsung Gear VR. Tech adviser Digi-Capital and analysts at SuperData Research predict the virtual reality business should grow to somewhere between $30 billion and $40 billion by 2020, and Newzoo confirms that an early appetite for this tech already exists. Read More I wonder which VR headset will be the most popular.