The concept of cloud computing, or running multiple computational systems on a network, is not a new one, of course. But it’s often fascinating to note the history of computing, from IBM’s 50th anniversary of the mainframe earlier this year to time-sharing on a CPU mainframe.

As a result, a video posted by renowned filmmaker David Hoffman has brought about a fascinating insight on AT&T’s vision of cloud computing as far back as 1993.

“You can think of our electronic meeting place as the cloud”, the video tells AT&T customers.

The video was put up in April last year but came to wider attention after Salesforce.com chief exec Marc Benioff tweeted it out last night:

If you want to know who invented the cloud take a look at this: https://t.co/8VPDgKPbO5 @marcporat

— Marc Benioff (@Benioff) May 6, 2014

The technology which arises …