Let's install a YouTube download extension that will enable you to download YouTube movies. You will also learn how to install a Google Chrome extension that isn't in the Google Chrome store.
Camera images usually contain additional description about camera settings and scene information of the the picture taken. By using EXIF, you can view this data online.
If there is no WiFi hotspot available and you still want to surf the web with your mobile device, you need to have your mobile provider's APN settings entered and this is where you find them.