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All community members have the ability to express positive sentiment for content, status messages, and comments using likes. Each member's likes are visible on their profile > Likes tab.
Zimbra Community gives you notifications if someone likes your content, status message, or comment. You can view your own like notifications in your Notification Queue or in Live Alerts.
Third-party developers can also use the APIs to create applications using the like service.
Likes are factored into content quality score.
Liking differs from rating in that:
- Liking tells you whether or not others like content and who else liked it.
- Ratings supply you with multiple choices of quality judgment and are designed to provide a more objective measure of content quality.
Likes are included on the following items:
- Activity Story Stream status messages and comments
- Blog posts, forum threads, media gallery posts, wiki pages
- Forum replies
Likes encourage social engagement by letting community members interact with content or comments - expressing their positive opinion on these items.
Likes promote content quality and ranking. When members like your content, status message or comment, they are promoting its rank in the community and increasing its influence (by the Content Quality score). Liked content can be seen on the Liked Content widget.
- Like counts are shown for any piece of content so members are aware of its popularity. Its popularity or the reputation of its author, in turn, might influence other members to view it.
- Likes are figured into content quality score using the Average content quality and Average group content quality core functionality metric plugins.
When a piece of content (or status/comment) is liked, the message displayed below it encourages participation by displaying a full count of likers, full list of likers (in the pop-up window) and naming community members you know who also liked it. For example:
- Only you liked - "You like this."
- You and one other person have liked - "[Liker display name] and 1 other likes this," where [Liker display name] is the last person who liked.
The liker pop-up window appears when you mouse over the quantity of likers.
Permissions to like are controlled by the user interface accessing the service. The service itself does not implement the behavior.
For information about developing with the like service, see Likes.