According to a report by Forrester Research (via), business-to-business blogging took a nosedive this year. However, don't start thinking that this is because business blogging is a bad strategy. Instead, as Forrester themselves say, corporate blogs fail because they read like "tired, warmed-over press releases," resulting in users' experiences with them being "simply awful."
Blogging is a useful communication tool that, when executed properly with an "authentic, humble and honest voice", can be used to build relationships with targeted users. However, before companies start seeing the real results - even better, before they get started - they need to understand how and why internal transformation is required, in terms of business and communication practice.
For lack of a better analogy, it's like driving a Ferrari (or my favourite, a Porsche) like Ms Daisy...
