Whatsapp’s possibilities are growing exponentially and constantly. Every day we have more emojis and stickers to express everything we want. In addition, the application has modified the time limit that the user has to delete a message. However, there are functions that are not visible to everyone. You need to know firsthand the right trick to make the relevant inquiries. In this way, Whatsapp lets us know if someone has saved our phone number. Does that seem impossible? Well, it doesn’t. You can do it. So if you want to know how… Join us!