When someone replies to you, quotes your post, or mentions your @username, a number will immediately appear at the top right of the page. Use it to access your notifications.
Don’t worry about missing a reply – you’ll be emailed any notifications that arrive when you are away.
Notification Preferences
To change any of these settings, see your user preferences.
By default, all topics less than two days old are considered new.
By default, any topic you’ve actively participated in (by creating, replying, or reading for an extended period) will be automatically tracked.
These new topics and topics with unread posts will display blue indicators similar to the following:
You can change your notifications for any topic via the notification control at the bottom of the topic.
You can also set notification state per category or tag, if you want to watch every new topic in a specific category or tag.