“Silverlight is a cross-browser, cross-platform plug-in for delivering the next generation of media experiences and rich interactive applications (RIAs) for the Web. Silverlight integrates with existing Web applications. Silverlight media capabilities include fast, cost-effective delivery of high-quality audio and video to all major browsers including Mozilla Firefox, Apple Safari, and Windows Internet Explorer running on the Macintosh or on Microsoft Windows. By using Microsoft Expression Studio and Microsoft Visual Studio, designers and developers can collaborate more effectively by using the skills they have today to light up the Web of tomorrow.” – My money is on Apollo as a winner if a battle would ever occur 😛