Complex sentence: This bi-directional functionality supports the collection of new pearls each time a link is shared or tweeted, new links added to user accounts and new pearltrees created by users can also be broadcast via a user's Twitter and Facebook accounts if users have enabled this feature.
Split into simpler sentences: This bi-directional functionality supports the collection of new pearls each time a link is shared or tweeted. New links added to user accounts and new pearltrees created by users can also be broadcast via a user's Twitter and Facebook accounts if users have enabled this feature.