Here's a simple but effective-looking application of OpenSim for real world business use: For retail store layout design and sales representative training.

In his real life, SLer Zarkinfrood Miami helps his company manage mattress retail stores. He designs the layout in OpenSim, and puts it on a USB stick, so he can transport the layout from store to store. Above is what the layout looks like -- "This is the layout of the retail store I am currently working in," he e-mailed me recently. "I have done this for quite a few stores in our company." This version is on his SL sim, so you can visit it directly: Click here to teleport.

Mr. Miami, who's also known as Cardboard_Cricket on Reddit, explains what he does next: