Last episode The Voice drilled down on the pros and cons of mobile apps within the context of marketing communications campaigns. This week, Graham Machacek continues to explore the topic with a focus on Facebook apps. Find out what to consider before you build one and the implications of Facebook Timeline. This week's special guests are Steve Shock and Nicolas Grégoire-Racicot, Director of Interactive and Strategist at McMillan agency, respectively. CLICK HERE to access slides that accompany this podcast. Connect with our host and guests: @grahamxperience, @shockandco and @NickRacicot.