We use 3 different types of Virtual Techonologies. First, we use beautiful backgrounds for those virtual classroom. You can use this beautiful background for your lectures. We also use virtual monitors. You can put any types of contents for your lectures such as Powerpoint slides images and videos. You can also invite students in distance in this virtual monitors so that teachers and students can communicate more interactively. Third, we use dynamic perspectives so students can indirectly notice where to focus and more interesting lecutres.