The IE Clound Switch is the data through analysing the domain and its visited mode offered by users, and it will be updated usually. So you can surf the web, even do not care the kernel mode. In one word, it can improve your browsing experience greatly.
If you agree, it will only upload the domain and visited mode to the Clound when click the switch button.
The IE Clound doesn’t affect the users’ own settings. When visit one website, once you click the switch button, it will be opened by your seleclted mode.