It would be best if you always were very careful with what you post online because it could always come back and haunt you in the years to come. You never know what could happen on the internet, or how people can use the things you've posted against you without the proper context, so it's always safer to stay cautious and, avoid posting anything stupid online.

Reddit's /r/agedlikemilk is a depository of things that people have said and done that ended up aging horribly online, from Twitter posts from prominent public figures to news articles that come off in poor taste in hindsight, these are just a few examples of a bunch of things that aged horribly on the internet. If anything, this collection serves as a small reminder that you should always watch what you post on the internet.