This is a great example of how augmented and virtual reality can pair with internet access to create an experience that mimics the real-world experience of attending a job fair. VFairs has options that can facilitate career and benefits fairs, as well as conventions and trade shows. vFairs is a platform that can facilitate this. It even has the capability of setting up booths for each exhibitor in an environment that looks like a fair. This site has plenty of resources and ideas for what kind of events you can create.