Just some specific dates.

Microsoft Office was released in 1989 [1], and came out on the Mac before it was ported to Windows.

UTF-8 was designed in 1992, on a placemat [2]. It has been dominant on the web [3] since 2009, which seems like ages ago now, but is really quite recent.

[1] https://en.wikipedia.org/wiki/Microsoft_Office

[2] https://www.cl.cam.ac.uk/~mgk25/ucs/utf-8-history.txt

[3] https://en.wikipedia.org/wiki/UTF-8#/media/File:Utf8webgrowt...