The most useful feature invented by WhatsApp to date is the WhatsApp group invite link. It does not only open the arena of socializing but also informs you about the latest trends in the world. Previously you had to request the admin to give access to their group to you. However, WhatsApp developers have introduced a feature where you can not only share the group link with your friends but also add as many new members you want. Before moving to the different types of WhatsApp groups invite lin...