As stated on this blog, Google will be working on an Operation System and is call Google Chrome OS. These announcement means a lot of things.
Netbook Era
Netbook will greatly benefit from this OS. In hardware's point of view netbook was created mainly for web use, while there are a lot of attempt in making existing OS to run efficiently this time it got more serious. We'll likely to have a real instant boot OS, and web application to perform like desktop application. This make netbook more fun and exciting and sooner it will have a market share bigger than desktop and laptops.
Application Development
No doubt that everybody is going for web as a platform for development. With this HTML 5 and Javascript will be greatly benefited. With Google Chrome OS, it looks like HTML 5 and Javascript will be the default or native language for development. With HTML 5 multimedia capabilities and offline storage are such a good addition that it almost makes it a complete language. We'll likely to see Javascript perform like C, and perhaps having an access on the OS API. There's a possibility new language will come out to rival against Javascript. I wonder how is Flash, Silverlight, and Java going to be supported in this OS.
Internet connection
The OS will be nothing if it has no internet access. This will make the mobile internet coverage will grow, either by wifi/wimax, 3g. I hope this opportunity that the OS will bring could make the mobile internet more affordable.
Lots of good and bad things will come, as I am excited to see how the consumer/end user benefited from this OS. I like to see how other OS maker will respond like Microsoft, Apple, Linux dist..