They'll be more interested in the materials and, miraculously, the subject matter. They might even learn more. You'll have flashy presentations and mention the Internet a lot. They'll think you're hip. DO tell your peers about the importance of multi-modal learning.
Most people remember only some of what they see.
They remember more of what they see and hear. It naturally follows that students will remember even more of what they see, hear and do. Slowly, in a calm, firm voice explain that that's what interactive multimedia is all about. Don't get too excited or they'll think you're a lunatic. DON'T tell your students about those studies.