Her lawyer tells Joan that her phone is providing content for the TV show. However, the conversation between Joan and Krish is included in the show even though Joan states that she left her phone in the house. However, it is very possible she is lying to hide her affair, or that data about her life is being harvested from technology belonging to the people around her too.
Joan is clearly is in the US (and has an American English accent), but uses British phrasing ('The board are') instead of US phrasing ('The board is').