Google’s always been a company willing not only to try things, but to fail in public. You can go to Google Labs and try all sorts of new services the company’s engineers have developed, but that aren’t yet ready for mass consumption

Ya i agree with ur title, recently they hav added a graphical feature to gmail, that is
when u open up ur mail, if u have slow internet connection ,it will show a message that it is loading, and this message will be displayed in the top right corner.