What do blogs and libraries produce?

Do you think blogs have become old hat or old social technology for libraries or do you think they are still effective?  Why?

Blogs may come off as old web technology that seems irrelevant but that is not the case. In truth, blogs have just evolved to be in different forms; tumblr, twitter, and even Facebook can all be considered a form of blogs. 

The traditional form of blogging is still important today and has made the bloggers very powerful entities of trust and unbiased information. For example there is a strong community of what is called mommy-bloggers they have their own PR agency and strong following. Reason for their popularity is their transparency and creating trust to what they are talking about.They produce content unique and engaging such as couponing, remedies and helping your fellow mom.

This is why blogs are still a relevant technology that libraries can utilized. Though in researching powerful library blogs I have yet to find any good communities. Of course I can find blogs by libraries but most have very small engagement. I think libraries need to really analyze how will blogging experience be different than Facebook to encourage people to go outside of Facebook world to a www.