Result: As competition heats up, modern hotels have become roomier and more amenity-rich than ever. They've become, for lack of a better term, vacation-rentalized. To understand what happened, rewind to the launch of HomeAway.com. It's the dominant vacation rental website, and it's celebrating its 10th anniversary this year. The site gave the vacation rental market the legitimacy and visibility it long sought. But, more importantly, its clever marketing made consumers like Stallings aware that they had more options. By 2009, HomeAway had almost half-a-million active listings, according to Revaluate, a market research firm. Today, HomeAway and Airbnb have roughly 1 million active listings each and annual revenues nearing half-a-billion dollars, some of which has come at the expense of the traditional hotel industry. "All of the recent research seems to agree that hotels' profitability has been negatively impacted by the growth of short-term rentals," says Max Galka, Revaluate's CEO. Get the full story at USA Today Read also "Airbnb: The threat most hoteliers are ignoring"