I am always impressed by the number of great articles Robert Scoble publishes in his primary weblog and his link blog. I reviewed the feeds he has setup in Bloglines and even though I read a lot of feeds Robert reads significantly more. While reviewing those I came across many that I was not aware of in the past. PubSub was one that really jumped out at me and after I went to investigate I signed up for an account downloaded the firefox plugin and started a handful of subscriptions. What is unique about Pubsub is that you can define the terms you want to watch for. This is somewhat like what feedster offers, I can see now that I will be adding this to my arsenal. So that when subjects I care deeply about are written about I will be able find the information very quickly. [PubSub]