I think he might mean the close X top right of an image or the page/tab/window. There has been a few images I wish I hadn't seen that people post and you see them as you are scrolling down. They are hard to un-see and if there are a lot being posted (and sometimes the trolls post some vile shit especially when they are under attack) just close the tab and do something wholesome.
Where's the red x ?
I think he might mean the close X top right of an image or the page/tab/window. There has been a few images I wish I hadn't seen that people post and you see them as you are scrolling down. They are hard to un-see and if there are a lot being posted (and sometimes the trolls post some vile shit especially when they are under attack) just close the tab and do something wholesome.