I am using whats app from a very long time , I liked this app very much as one can easily connect whit someone near or far from him/her.Following are the features that I liked the most1.It allows to send you direct messeges as well as group messeges without charging any amount.2.Recently it have got a current status feature( In which the status will be appearing for 24 hours) which makes it more amazing2.Out of balance dont worry use whatsapp as calling app yes you can call, anywhere around the world without worring about the STD and ISD charges.3.VIdeo call facility is also available in it with a great picture and audio quality.3.one can change the chat wallpaper as their comfort, however the layout cant be changed.4.It have got many privacy setting as wellWhich makes safe and also easy to use.