We all know tweets can be about the most trivial of matters, whether it's talking about the football, taking a photo of your lunch, or complaining about the British weather.
But there are tweets that are haunting and posted just before the user's death, remaining visible on the social network site forever.
Of course, some accounts can be made private retrospectively, such as the one belonging to the late Peaches Geldof.
She famously tweeted a photo of herself as a child with mother Paula Yates before she was found dead in 2014.
Yet many are still available to see and will always be the final tweet these people will ever send.
Here Daily Star Online has come up with a selection of the most chilling famous last tweets.