14. The information processing system of claim 13 wherein the computer-executable instructions further comprise instructions for: 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.
15. The information processing system of claim 14 wherein the computer-executable instructions further comprise instructions for: presenting the topics in the personalized trends module 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.