Most alarming here to me is the drop-off in corporate blogging. only 23% of the Fortune 500 companies maintain a blog. In this age of content sharing, blogging is a critical online activity for all B2B companies and most B2C.
Yammer is a great communication and collaboration tool for enterprise. In case you are not a member of the 4 million users, here is a quick piece I wrote about it last year.
Imagine if you could have a private social network that combined the best features of Twitter and Facebook to use as a communication tool at your business.