Hello friends! I think you every one know about the whatsapp messenger.it is very popular messenger and very easy to use.we can send me messages, videos, pictures, pdf and etc files. More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere. WhatsApp is
free and offers simple, secure, reliable messaging and calling, available on phones all over the world.it is very helpfull to connect people each other. We can change our dp and also we can creat group in whatsapp , everyone who is connected with group they can share the messages with each other.