I am using watsapp from four or five years.it is very useful app because in today days anything using watsapp so I do massage of my freind for anyone knowledge like college details etc he reply me just so I like it. I can send any questions of my freind easily.i have many group in watsapp like that patna chem group in this group I have many intelligent freind I ask questions he give me answer anyone just no tutor problem for doubt or anything. Koi bhi jankari ho turant mai dosto se jaan leta hu ki kya college me or class me or abhi kya padhai ho rhi hai sabhi watsapp ke dwara easy hai so I love it.jo bhi watsapp banaya hai usse mai thanks kahna chahta hu.thanks for reading my review please do comment and like my review.