@alanna huh! You're right. That's a shame, as there was the view in the process of waiting for people to join the wallet...
RE: adding people to the address book - found an edge. Seems like they don't allow you to add segwit addresses... only legacy addresses.
So, if you add Kieran and try his BTC address then it should work (as he is using a legace BTC format address).
no one should post BTC addresses in public