Whatsap is the longest surviving app that has continuously gain it popularity amongst series launched together with it. There are lots of features that has made it a good and must use app for communication. Here are few reasons why it is a good app.
Cost effective, with it you can communicate effectively for a long period of time, share images and videos for comprehensive communication at a very cheap data charge rate.
Information dissemination, with the broadcast feature embedded in it you can easily bulk messages to people at the same time within few seconds.
Group chats, the ability to create series of groups like family, class, company, tutorial etc has made communication very easy, convenient and cheaper for everyone who knows how to operate phones, read and write. It uses are endless because it keeps upgrading on daily basis.