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January 13, 2021

Telling users when friends/contacts use the app

Signal inform users each time one of their contacts (sim card) joins the app. A simple reminder to prefer Signal to its alternatives. This is a trick that Telegram also used massively at its beginning.
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About the app:
Signal is an encrypted messaging app founded in 2014. Like in Whatsapp, the user can Signal to make one-to-one and group discussions, voice and video calls.