Share 'Can B2B Leverage Social Media?'

This is more a discussion starter than an opinion post. Recently, I've noticed bloggers writing on both sides of the fence about this topic...the practical nay-sayers and the social media experts. As I have a B2B client I've been trying to persuade to adopt social media to build awareness and engage customers, I am very interested in how business focused companies can use social media. Any ideas…