"Authenticity!" "Be yourself!" "Find your voice!" There is a ton of advice out there right now about the importance of authenticity -- about stripping down artifice and making sure that your brand is completely and utterly "you". Great advice, right? Yes...and no. Thankfully, communications appears to be moving past the era of canned, non-committal "key messages," delivered by carefully-coiffed spokespeople. In the fast, personal age of social media, we want to know