This is also another challenger to Microsoft Office, but it still has a long way to go before it can be a big threat. It might though prove handy when Google's OS targets the PC market.
Yes, Google has seen great success and been market leader with things like Desktop, Google Earth, Maps, News and Picasa etc.
But none of these are big money-spinners and most IT giants have a monopoly in all sorts of niche markets anyway.
Image Courtesy: Google