If you’ve ever sent a message to a friend on Facebook Messenger, you’ve probably noticed a little check mark icon next to the message you sent. They’re nothing to worry about, but these check mark ...

The check marks on WhatsApp let you know when your messages have been sent, delivered, or read by the receiver. Based on the amount and color of the check marks, you can know the delivery status of ...

Mean radius is the average measurement from the true center of the group (white) to the center of each shot. More simply, it's the average "miss distance." Group size, not mean radius, has been the ...

The check marks on Facebook Messenger indicate the status of your message. Possible statuses for messages are sending, sent, delivered, or read by the other person. The color and icon next to your ...