Digital Communication

You stated Intranet, as the first digital communication method, can benefit companies as they obtain the opportunity of sharing information and resources among its workers through accessible communication and collaboration.  Good take.  However Internet which Internetwork of computers and servers provide the platform for digital communication to happen. E-mail, teleconference and video conferencing all happen on the Internet.  Picking Internet is broad and should be specified.  Apart from teleconference and video conferencing you have to specify another digital communication?  What is it?  And discuss