What does a grey circle with a white diagonal line through it mean after someone's name in a Facebook group? - Quora
Messenger - Want to know if someone saw or read your message? The blue circle with the check next to your message means that your message was sent. A filled-in blue circle
![Facebook messenger on desktop showing blue lines randomly on laptop - chrome. Any help on how to fix is appreciated : r/facebook Facebook messenger on desktop showing blue lines randomly on laptop - chrome. Any help on how to fix is appreciated : r/facebook](https://preview.redd.it/uawagzh3oju31.png?width=483&format=png&auto=webp&s=443b035340684cadee57a92bb5bc1134ef799f65)