A speechless app. I have been using it since 5 years and the app rocks. It is a best way that connect people throughout the world. You just need internet connection to use it dats it. Its easy to install and use.
The also like their day to day updates which allows us to use different layouts and smilies.
There are only 2 things which I guess if the makers would do something so it would do wonders:
The app cover large amount of space
If we don’t want others to see whether we are online. The app immediately show to all that we are online.
I think if the above 2 points are workedout then no one can beat it. Otherwise it is awesome.