5. The computer-implemented method of claim 4 wherein presenting the personalized trends module comprises presenting the topics such that the first trending topics, the second trending topics, the third trending topics, and the at least one global trending topic are distinguishable by assigning a different appearance to the topics based on source category.
4. The computer-implemented method of claim 3 further comprising: allocating a position for at least one global trending topic from a publisher's site to the personalized trends module; retrieving the at least one global trending topic; and adding the at least one global trending topic before presenting the personalized trends module.