If you noticed your FeedBurner subscriber count suddenly dropped a lot in the November 3rd, 2007, it is because Google Feedfetcher was offline and it didn’t send the subscriber stats.
As you can see from the attached screenshot of my feed counts, I lost a few hundreds of feed subscribers overnight. I was wondering about the reason, such as effect of PageRank drop. Now, it is clear.
[via Weblog Tools Collection]