WhatsApp Ek Aisa Messaging App Hai Jise Sabse Adhik Istemal Kiya Ja Raha Hai. Ek Din Me Lagbhag 60 Million Message Iske Dwara Bheje Jaate Hain. Aap Sabhi Ye To Jante Hi Honge Ki Kaise Phone Me WhatsApp Ke Multiple Account Use Karte Hain Par Kya Ye Jante Hain…