(Bloomberg) — Airbnb is less than eight years old, but it hasalready caused massive changes in the way people travel. Whileconsumers may have initially been hesitant to try the service, anew survey from Goldman Sachs Group Inc. shows that once theyswitch, they don't go back to hotels.

According to a note sent out by Steven Kent and his team, arecent survey of 2,000 U.S. consumers had some pretty troublesomefindings for the hotel industry.

"If people have stayed in peer-to-peer lodging [P2P] in the lastfive years, the likelihood that they prefer traditional hotels ishalved (79% vs. 40%)," the data showed. "We find it interestingthat people 'do a 180' in their preferences once they use P2Plodging. They move directly from preferring traditional hotels topreferring P2P accommodations."

The survey also showed that both familiarity and use of the P2Pindustry is increasing. Last year, 11% of respondents said they hadused a P2P site such as Airbnb, HomeAway, and FlipKey. That numberincreased to 16% in the final quarter of the year. During that sametime frame, familiarity increased from 24% to 35%.

Related: Airbnb seeks blessing of U.S. landlords for tenantsto profit

While younger users are typically more familiar with thesesites, they aren't the only ones using them. When asked whetherthey had used a P2P site within the past year, Goldman found that67% of respondents between 18-24 said yes, with 75%of those between25-34 and 64 percent of those between 35-44 also having used thisform of accommodation. Age groups higher than 45 ranged from 29% to23%of respondents using these sites.

While the higher the person's income, the more likely they areto be familiar with P2P travel, there isn't a perfect correlationbetween wealth and actually using it. The income ranges most likelyto have used the sites are those between $70,000 and $119,999, bothat roughly 70%.

The growth in the industry was on full display at this year'sSuper Bowl as well. Airbnb, one of the most well-known P2P sites,anticipated 15,000 people booking home rentals for Super Bowl 50 inthe Bay Area, four times more than the previous game in Phoenix.With a $25.5 billion valuation, the company is worth more thanMacy’s Inc. and Best Buy Co. combined.

Related: 6 things to know before signing up with ahome-sharing rental site

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