Skype

Skype was a video-communications program. Panda used Skype to talk to one of his previous selves from within a universe of anti-matter. (PROSE: From Wildthyme with Love)

While visiting Ibrahim Hadmani and Helena's flat for Christmas 2015, Matt Hansen used Skype to talk to a friend of his. (PROSE: In Search of Doctor X)

Behind the scenes
In 2017, Skype worked together with BBC Worldwide to create an interactive experience on their platform. The Saviour of Time was released on Skype on 3 May 2017. It sees a Doctor Who Bot connect with Skype users' accounts to save the day.