I have that many blogs in the ServiceNow Community now I thought it wise to take stock and to introduce some semblance of structure. So here you have what I have classified as the social blogs (yes, I didn't write many):

Happy Birthday Facebook — You've Changed Corporate IT Forever

20 Blogging Tips, Straight From The Horse's Keyboard, Part 2

20 Blogging Tips, Straight From The Horse's Keyboard, Part 1

10 Tweet Chat Tips: Social Learnings From the First KPMG/ServiceNow Tweet Chat

More blog summaries:

Blog Summary: Improving IT Operations

Blog Summary: The Future of IT, ITSM, Service Desk, and ITIL

Blog Summary: Thinking Differently And The Need For IT Change

Blog Summary: Enterprise Service Management, Custom Apps, And ServiceNow

Even older but potentially still relevant blogs can be found here: My Forrester Blog Index — The End Of A Blog Roll | Stephen Mann's Non-Blog