I've been working online with communities for the past 6 and a half years, a time when message boards and Yahoo Groups (remember those?) were as social as it got. This was an era where blogs were the Wild Wild West and most folks weren't too keen on the idea of companies talking to them. You had to be extremely selective as to which blogs might want to engage with your clients and which you'd want to align your client's brand(s) with. Clearly the blogosphere has evolved since 2004 but while some things have changed, some have stayed exactly the same. Here are five tips for PR and ad n00bs and vets alike when selecting which blogs to work with.