RealEstate.com's announcement last week that it is getting real estate listings via Internet Data Exchange (IDX) feeds directly from 150 multiple listing services across the country has gotten the attention of several prominent leaders in the industry.Currently, RealEstate.com has about 1.5 million listings -- all of them IDX-sourced, according to Market Leader, RealEstate.com's parent company. "These types of actions will lead to the day when brokers will look to provide services that MLSs now typically provide," said Robert Moline, president and COO of Berkshire Hathaway affiliate HomeServices of America Inc. HomesServices of America is the parent company of a number of brokerages across the country, including Edina Realty, Iowa Realty and Prudential California Realty. Last...