In the era of the internet, talking to people over the phone is almost impossible. But with the advent of apps like Whatsapp, we can communicate with our friends and family even without leaving the house. In fact, it is much more convenient than before. This app makes you feel as if you are in the same room as your friends, even if you are miles away from them. With it, you can easily talk to your friends and family and make free calls to any number. The best thing about it is that it works even without an internet connection. You can use it without worrying about your privacy, as it works on a public channel and doesn't require any registration.