38 Providing access to a worldwide computer network; providing telecommunication connections to a worldwide computer network; leasing of access time to global computer networks; operation of telecommunication networks including internet communication networks and cellular phone networks; transmitting of data, signals, pictures, symbols and other optical signs, language and other acoustic signs; providing a platform in the internet which enables users to choose from a variety of functions for telecommunications services, such as e-mail, instant messaging, chat, internet telephony and data exchange