What is cloud computing and what is so great about it?

it lets you access your computer from any other computer as long as you're connected to the internet. the great thing about it is it's gotten so powerful that you can actually stream pc games in real time.What is cloud computing and what is so great about it?
Could computing is where software is heading and means that instead of programs being installed locally on your computer, they would exist "in the cloud" where you would be able to access them anywhere. So the potential is that no matter what computer you used anywhere in the world, you would just log into the cloud and all of your programs, files, desktop,, etc would be there and it would be exactly like your computer at home.
A model for delivering information technology services in which resources are retrieved from the internet through web-based tools and applications, rather than a direct connection to a server. Data and software packages are stored in servers. However, cloud computing structure allows access to information as long as an electronic device has access to the web. This type of system allows employees to work remotely...What is cloud computing and what is so great about it?
I'm tired so I'll answer this in a simple way. It's like what Google wanted to do... with their "Chrome" operating system and have your computer files online (stored on a server that's not local) Basically think of your computer as hollow, just using it as a Monitor for another computer somewhere else.
The term was adopted from the use of cloud symbols to represent the internet in diagrams and charts. This can be availed online where customers can get storage services, virtual servers, applications and so much more.What is cloud computing and what is so great about it?
examples of cloud computing are

1. webmail

2. online c++ compiler