Representational image Signal is a messaging app just like Facebook’s WhatsApp. You must have heard a lot about the app in India. That’s because WhatsApp users are disappointed with the newly updated privacy policy. Earlier last week, the popular messaging platform WhatsApp announced updated its privacy policy, which included details of data it collects from users and shares with parent company Facebook. Users are unhappy with the revelations and are looking for an alternative app. That’s when many including Tesla CEOElon Musk suggested Signal app. Also Read - Facebook refuses to disclose your involvement in massive data breach