Before revision: More recently, interconnected IP networks (principally the Internet, with estimated 2.5 billion users worldwide in 2014 URL and the GSM mobile communication network (with over 6 billion worldwide users in 2014) form the largest global networks of all.
After revision: ),More recently, interconnected IP networks (principally the Internet, with estimated 2.5 billion users worldwide in 2014 URL and the GSM mobile communication network (with over 6 billion worldwide users in 2014) form the largest global networks of all.