10. The method of claim 1 , the providing first targeted content comprising: displaying the first targeted content through a public tag collection interface.
10. The method of claim 1 , the providing first targeted content comprising: displaying the first targeted content through a public tag collection interface. 12. The method of claim 10 , comprising: receiving a first tag search from the first user, the first tag search specifying the first tag; and providing a first public tag collection to the first user through the public tag collection interface based upon the first public tag collection corresponding to the first tag.