Brad Arsenault (dot com)

OS/2 was a joint venture between Microsoft and IBM to create a modern operating system, all the while Microsoft created NT (the core of Windows since ‘92) and the IBM joint failed. Here is a shootout between OS/2 and NT.

Here is part two of the Macintosh story from Youtube.

Note how young Bill Atkinson and Andy Hartzfeld look!!
This is part one.

From the video description:
Back in 1983 Apple made a video on VHS tape. The Mac 512 cannot let this early (1983) video fall into the ether any longer. For Macintosh’s 25th Birthday, The Mac 512 is resurrecting this video. Happy 25th Birthday Macintosh! part [...]

I want this!
I love the last idea she says at the end of the video:

This person has demoed their Mac 128k (the original 1984 Mac) and accessories collection.
However the embedding of this video has been disabled, however you can see it here.