Facebook Messenger for iPhone Summary: This is the Facebook Messenger for iPhone login page. Use your Facebook credentials to get started. By Emil Protalinski | August 9, 2011 -- 13:47 GMT (06:47 PDT) Follow @emilprotalinski Previous | Next Image 3 of 7 Group conversations are a go: you can message multiple friends at once. Topics: iPhone, Smartphones Kick off your day with ZDNet's daily email newsletter. It's the freshest tech news and opinion, served hot. Get it.