7. The method of claim 1 , further comprising providing a content sharing interface within the discussion stream, the content sharing interface enabling a searching user to contribute items of digital content to the discussion stream.
7. The method of claim 1 , further comprising providing a content sharing interface within the discussion stream, the content sharing interface enabling a searching user to contribute items of digital content to the discussion stream. 8. The method of claim 7 , further comprising: receiving an item of digital content authored by the searching user using the content sharing interface; including the item of digital content in the first sub-set of items; and updating the search results such that the item of digital content is displayed in the discussion stream.