And spent seven paragraphs tearing the site apart before mentioning this:
But you know what, there may be an alternative. Recently I received few invites via Socializr, as I am part of their gamma program. I love this site (disclaimer: I am an investor and a friend of the founder). I hope and pray they kill Evite.
It's like George W. Bush writing on the front page of the Washington Post, "Democrats eat their young (disclaimer: I am a Republican)." There's nothing wrong with letting a guest write a blog post — just don't let them dress up a PR piece as independent news. Readers will see right through it.