Google comes out with some great new applications, but just wondering how can I find out about them in advance ?
google makes a lot of noise before releasing any specific product or application. some products go under beta testing for months or even years. just read google blog once in a while and you will learn a lot
well simple go to google.com and search what ever you are looking for with " " so that you can fine the best result.
There's always lots of experimental stuff in google labs - http://www.googlelabs.com/ Most of it never goes any further, but there's always some interesting stuff there.
There are number of products comes by google. These are product list see in the http://www.googlelabs.com/ url.We can see list of google products develop in the future.
http://blogoscoped.com can give you better idea about the Google new applications launching, whats going on in G Labs or other beta launches.
basically for that you should sign up to the subscribers of google's official blog and their news feed