This morning I received another email from a client who doesn't want her Facebook contest app to require app installation and permissions from her participants. She believes this will reduce her conversion rate. I'm not alone in this situation, our friends at Woobox face the same questions over and over again. I explained to her that the app installation requirement was, by far, the best option to create value for her Facebook Page and offer the best possible experience to her fans. Last May, I published an entire blog post on this very subject.Just to give you a little recap, here are the 5 main reasons why a Facebook App install requirement is the best way to go for your campaign: