For example, cloud computing could benefit startups by making it cheaper to start a company, but this could put IT professionals who work at local offices out of work if servers all move to server farms.
As this move to server virtualization transpired, a coinciding evolution in IT management capabilities needed to occur and we at Microsoft began delivering this years ago with the Microsoft System Center suite, adapting the tools to provide the same management experience across your physical and virtual environments.
There are so many things that can slow web apps down, and even if you cache and optimize your data feeds, move the heavy lifting from the server to the client and all of the other things that smart app developers have been doing, you still will bump into the limitations of the browser.