Social Media Use and Employee Engagement?

Revisions done and out to the committee, day job back under control. It's time to catch up on the literature while awaiting advice on the final adjustments.
Interesting article in BusinessWeek on the importance of employee engagement. We know employees who produce significantly less than others. Not necessarily bad employees but ones that are not working up to to their potentials. Of course our job in management -- at any level -- is to get our people more engaged, more productive.
Take a look at this posting by Krisztina Holly and Jim Clifton.
It's not just about productivity, innovation is a key output to engagement. Engaged employees contribute ideas and encourage others. It makes sense that social media can help build engagement if management empowers them.