I like to use whatsapp since I bought my phone . I love to use it because of its features like video calling, new emoji, recording features and its popular everyone using it and love it . It can’t hang my phone and I can chat and call by it and its quality is very good. I can send images on whatsapp and it manages itself to send image. I can share location and I can record my voice and send it to anyone and I love to do it . Thanks to whatsapp develope
Concept: its concept is simple to make communication through it by various like sms chating, calling , video calling etc.
Layout and ui: its ui and layout is also good . In earlier version u can also update status in written or graphical way. It has many types of smiley and user interface is preety simple for regular user and newbie has to learn.
Comunication medium: I can chat by making group or one to one. I can make video calls in a group and u can see the everyone in group video call. And I can share location to call someone and tell him where are we. I can share images and our mood by changing status. I can share videos upto 16 mb and documents also . There lots of things .
Thats all I experienced with it.