I was at notifir.com applying for a beta account, Notifir is an upcoming service that lets you track and manage some of your social bookmarking accounts from one central location. The site is launching its private beta tomorrow. Mashable has seen it already (envy envy);Notifir To Launch Digg Tracker
But the idea for this post comes from a post on notifir blog.
- Google News (you may want to set a Google Alert for each social network you want to follow)
I would add Technorati