Not sure about all this “social media” stuff when it comes to your business? Are things like Facebook and Twitter really relevant to selling blue widgets to serious-minded industrial buyers? Don’t worry, I’m as sceptical as the next person, although every time I see someone doing something clever with this stuff, I get just that little bit more open-minded.

So, can we use Facebook to our advantage? The Hallam Internet blog suggests it’s easy enough to give it a go that it might b...