so... how does that work, i mean the whatspp. i understand if you have to talk to instagram users, you would do something like oath and that would work but how

so... how does that work, i mean the whatspp. i understand if you have to talk to instagram users, you would do something like oath and that would work but how will whatsapp work? you are giving me some ideas, maybe i can set it up for the family and they can use it to accumulate their contacts on self hosted matrix?