15. A search system for providing access to one or more tag collections comprising: one or more processors; and one or more computer storage media storing computer-useable instructions that, when executed by the one or more processors, cause the one or more processors to perform operations comprising: providing, by the search system, a first search result to a first user in response to a search query submitted by the first user to the search system; providing a first tag to the first user as a suggested tag for the first search result based on the first search result being tagged with the first tag in a personal tag collection of a second user, the personal tag collection being of tagged search results that are searchable in the search system by the second user and any subset of users of the search system specified by the second user in a privacy setting of the personal tag collection; based on identifying the first user tagging the first search result with the first tag, organizing the first search result into a first public tag collection associated with the first tag, the first public tag collection comprising a plurality of search results that are tagged with the first tag by a plurality of users and are publicly searchable by the users in the search system; receiving a tag search from a third user, the tag search specifying the first tag; in response to the receiving of the tag search, searching, by the search system, the first public tag collection; and providing, by the search system, to the third user in response to the tag search the first search result from the first public tag collection.
16. The system of claim 15 , wherein the operations further comprise: responsive to the first tag corresponding to the first public tag collection, providing access to the first public tag collection through a public tag collection interface configured to provide a top tag collection newsfeed through the public tag collection interface, the top tag collection newsfeed comprising one or more tag collections having tag counts above a top tag threshold, wherein the top tag collection newsfeed includes the first public tag collection based on the first user tagging the first search result with the first tag.