Thank's to ReadWriteWeb for this post introducing a new, useful way to track key competitor, customer, supplier execs. Likely to provide insights into activities, influencers, interests, etc. Next time you run a strategic planning or war game exercise, how about posting the influence map of key stakeholders in organizations of interest.
"RSSFriends offers an RSS feed of new people that any Twitter account begins following or anyone that stops following a designated account. Here are three ways I've begun using this service."