I found this article via Bill Ives--
Portals and KM- Making Blogs Pay – Louis Columbus--
Technology News- Commentary- Making Blogs Pay. While Louis isn't saying anything terribly new, he is giving you the straight facts on blogging at big companies like SAP and Oracle. Here's the other thing to remember, blogging doesn't have to be public to be effective for your company. A little private, internal blog can help reduce communications bottlenecks and give far-flung employees a connection to head office.