Communication by computer terminals; Communication by electronic computer terminals; Communications by cellular phones; Communications by computer terminals; Communications by mobile phones; Cellular telephone communication; Electronic transmission for others of securities and financial information via computer linking services, namely, communicating and routing trade information involving orders, entry and execution services, to others via a global computer network; Providing a web site for synchronous and asynchronous communication and for connection of physicians with their patients regardless of medical organization or geographic location; Providing private and secure real time electronic communication over a computer network