Tags are a way to link a photo, post or comment with another Facebook member. In short, tags make it easy for anyone who reads the comment to be directed to the member's profile. Tags also serve as a way to alert your friends that you are talking about them on the social networking site. A tag may only be created for a Facebook member with whom you are confirmed as a friend.
Click inside the "Write a comment" field beneath any post on a friend's wall, or your own wall.
Begin to type your comment and when you are ready to insert a tag, type the "@" symbol. Without leaving a space, start typing your friend's name. Facebook creates a short list of your friends with names that match your entry; click once on a friend's name in the list to select her for the tag.
Finish typing your comment and hit the "Enter" key to post the comment, including the tag. Your friend automatically receives a notification generated by Facebook that alerts her about the tag you created.
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