It’s not easy to be a public face for your employer, and doubly so when you’re using social media. Blogs, tweets, and the like value personal authenticity (and shun “corporateness”), forcing vendor bloggers to walk a tightrope. It can be hard to accept this burden, and many a bright young blogger flames out as the reality of the situation settles upon them. Yet some emerge from the trials with a reasonable philosophy and are able to continue.