Whatsapp now owned by Facebook is the most popular messaging app worldwide. It become a household app of everyone. Whatsapp made sharing big files very easy. The quality of features like voice call and video call is very good over 3G and 4G network.
The app is user friendly with nice interface. And it was build in such a way that it is very convenient to chat with a friend or in a group. With new updates its getting better and better.
The new feature Pin chat is very usefull as it saves time scrolling down to find a particular friend, you can simply pin the chat at the top and it always remain at the top untill you unpin it. Right now a maximum of three pin is possible.
So use whatsapp and share videos, audios, contacts, location, gif and pdf.