Google, probably the most useful brand today.
What’s the utility ?
It’s very commun to meet some people who are not able to use correctly the web and all the different Internet tools.
Some guys at Google decided to create a cool website with very nice videos to explain many tech things.
You will have many many videos to explain any basic stuff you need to do on a computer… They just created something valuable for people. I guess that will quickly be considered as a great tool to explain how to deal with a computer. Here is an example.