I was surprised today that my friend had just turned the desktop computer in my classroom into a WiFi hotspot. In other words, the computer connects to internet through Ethernet cable but he shared the internet connection to other devices via WiFi network card. I've never known that before. However, it's not new because this technology has been used on mobile phones for years.
I think to be able to do that we need a WiFi network card and then an application to enable that feature. I used Baidu because it's free and it allows unlimited clients connected to the hotspot.
