Nowadays we are using web apps. Some of them are very easy to use. And some of them are very hard to configure. But we must improve those web apps to make them easier. Personally I like to see that whole the world uses clouds and web apps.
If everyone uses clouds and web apps we only need a OS like ChromeOS. Now although if we don't need to use many services they are loaded to memory and they are wasting our valuable resources. We should stop this. Computers should be turned on like calculators. People can't wait until it loads lot of useless services. And users will select what he wants to use. Then he will install them on his computer.
Browser will be the main application. And here after it will take care the security of our computer. This should happen. But now it is only available on ChromeBook.