I noticed this channel thing the other day on a Whatsapp update, club straight onto it and great news club are communicating in more ways
Follow SAFC on WhatsApp
Sunderland AFC's WhatsApp channel is now available to join for all supporters around the world. Fans will now be able to get the very latest updates from the Club sent to them directly on WhatsApp. WhatsApp Channels exist within the free App, which currently has 2.7 billion users worldwide...
www.safc.com