Google Apps was long seen as too lightweight to be a competitor to Microsoft Office.
For years, Microsoft Office was widely considered to be the way for businesses to get "serious" work done. Google Apps, the cloud-based office suite, wasn't generally thought of as being stable or full-featured enough for company use. But as Google Apps has matured, more and more companies have noticed -- and in 2012 Microsoft found its core business base eroding as offices jumped ship to Google.