Facebook founder Mark Zuckerberg caused quite a stir when he announced plans to release a new, so-called "dislike" button on the popular social network. Our lives revolve around social media so much that the mere mention of a new feature sets the digital world a-buzz. What will the button look like and what will they name it? Will they roll it out incrementally or all at once? Will users actually use it? And most importantly for us - how could this "dislike" button affect online communities and our interactions with them? While we don't have all of the details about this new feature, here are some early pros and cons we spotted.