You say, "Great resources, Brock! You're probably the best friend I've ever had and you make excellent bean dip."
I say, "I am indebted to cburell, web20classroom, and tomwhitby for those resources. However, I do have a killer repertoire of bean dips."
I'm struggling to think of a gripping way to introduce the fact that I just listed people I am following on Twitter and that they are responsible for introducing me to those resources.
Actually, that statement establishes my point well enough. Now let me explain what my recent experiences with Twitter have led me to conclude: anyone with a connection to the Internet and the drive to become a truly great eduator needs to be on Twitter.