imed largely at families who want to stretch out with a spacious living room and kitchen, vacation rentals - which include privately owned homes and condos, and unoccupied timeshares - has been a fragmented market that's been growing even as it's been slow to turn to the Internet for sales. Sales of vacation rentals grew about 9% to $26.4 billion in the three years between 2007 and 2010, according to a 2009 estimate by travel research firm PhocusWright. Only about 17% of sales came from Internet channels, far trailing hotels, rental cars and airlines. Companies like HomeAway hope to accelerate the pace. The Austin-based company has attracted about $400 million in venture capital since it was founded in 2005 and has used the money to buy popular vacation rental sites like VRBO.com and Vacationrentals.com. In March, it filed to raise up to $230 million in an initial public offering. Get the full story USA TODAY