Reddit - A self-governed, community sourced news sharing site
- Default view is a list of trending items from a select number of sub-reddits (or "Subs"). Trending items are based on the number of views / clicks / votes.
- User can search and subscribe to Subs of a wide variety of topics
- Reddit has multiple metrics and economies in place
- Gold - gold tokens are awarded by other users to people to encourage more good behaviour and participation. Gold token can be purchased by buying a reddit subscription or by earning them through participation.
- Karma - there are two types of karma a user can earn: link karma, and comment karma. Karma is awarded by other community members by "upvoting". Conversely you can lose karma through "downvoting".
 Community-sourced content with a micro-economy.
 What becomes most visible is often what is more popular. Popularity alone may not be a good metric.
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