Whatsapp is just a great for communication.the status option they newly added is also very astonishing.whatsapp can send any type of of file maybe of any format which is good for student or for professionals users to sens data of any kind like pdf media file etc.the back up of whatsapp is also very good.its make backup of lots of data per day or per week or year. You can get any message if you miss it by mistake.on other hand whatsapp also have some secrets which is not known by all the users .but whatsapp is one the good app for communication.