Facebook will morph from a relatively private social space to a business entity driven by the bottom line. Brands will need to tread carefully as they explore these new opportunities. Some users will tolerate prominent advertising in return for free access to their friends and social connections, but others may balk at increased commercialization. Seeing their personal data sold for targeted advertising may cause resentment, unless brands deliver engaging content that is appropriate for this personal space. As brands start to invest higher CPMs in more impactful ad units, it will become increasingly important to optimize visuals and messaging. Some of.