Ask yourself, is there one thing I can do, tomorrow or next week, to inject some more autonomy, to provide a little space for non-commissioned work (in your classroom or your organisation). Daniel Pink
It is an old article, but a good indicator of what non-commissioned or 20% Google work time is all about. If you want more of the Daniel Pink keynote you can find it on the SSAT Conference website or animated, courtesy of RSAnimate.
Have you considered about putting some social bookmarking buttons to these blogs. At least for twitter.
I had a few issues with one of the many widgets, but had to find out which one was causing the issue. I think we are there now.
The RSS has always been available, top right.