When you tag someone, you create a link to their profile. This means that: The post you tag the person in may also be added to that persons timeline. For example, you can tag a photo to show whos in the photo or post a status update and say who youre with.
What does it mean when someone has tagged you?
Put simply, whether on Facebook, Twitter, or Instagram, tagging allows a user to identify someone else in a post, photo, tweet, or status update. This tag takes the form of a clickable name or username that will notify a person that you have referred to them in a post or photo.
What happens when you tag yourself in someones photo?
Tag Yourself in a Photo If youre tagging someone elses photo, hell have to approve the tag. If you tag someone other than yourself, that person and his friends will generally be able to see, like and comment on the photo even if they previously could not.