The document discusses how marketers are using the second screen (smartphones and tablets) to engage with viewers watching television. It provides 10 ways marketers are doing this: 1) leveraging second screens during live events, 2) incentivizing ad engagement, 3) gamifying TV ads, 4) bridging TV and digital campaigns, 5) syncing e-commerce with TV content, 6) sponsoring extras on second screens, 7) giving sports fans interactive experiences, 8) spurring social media chatter, 9) enabling real-time interactivity, and 10) creating transmedia stories. It also includes expert opinions on the opportunities of the second screen to improve engagement and marketing ROI.