TIL that Microsoft skipped version 13 of Microsoft Office due to concerns about triskaidekaphobia (fear of the number 13).

https://en.wikipedia.org/wiki/Microsoft_PowerPoint#:~:text=version%2013.0%20was%20skipped%20for%20triskaidekaphobia%20concerns

#til #todayilearned

https://www.reddit.com/r/todayilearned/comments/1czp4ws/til_that_microsoft_skipped_version_13_of/