Four, one to change it and three to comment on the changing.
Let's go ride bikes!
It's going to be a dark 4 years isn't it
Probably one but you can't generalise.
There is nothing wrong with the lightbulb.
Three. One to post it, one to make a better punchline in the comments, and one to repost it the next day.
Comment after reading the article.
They defend the ship with way more enthusiasm.
Don't worry he'll let you know