This Twitter account (MemChip) automates the Trending Topics feed and then Tweets the results to the Twitter audience once every ten minutes.

Twitter MemChip
It takes some concentration to parse each Trending Topic from the Tweet but there are ten subjects in each Tweet.
I have created an archive of Twitter’s Trending Topics by grabbing the RSS feed and sending it to my Google Reader.

Google Reader RSS Feed
Although reviewing the contents of Twitter’s Trending Topics Tweet Stream once daily is more than enough to cause stream fatigue, I find the process and results quite instructive.