Santa Ana-based RE3W, a developer of real estate software for real estate professionals, has tied into Microsoft Virtual Earth. The firm announced today that the company's application was selected by Microsoft to be showcased for its functionality using Virtual Earth. RE3W's tools provide online commercial real estate management, and integrates with Microsoft's Virtual Earth platform to show property boundary overlays, tax and transaction information, and other tools. RE3W said that Microsoft showed its tools at the Where 2.0 Conference held last week in San Jose.