This document provides an overview of social media engagement on Twitter and Pinterest for brands and influencers. It discusses how people commonly engage on each platform, such as using hashtags and retweets on Twitter, and pinning, repinning, and commenting on Pinterest. The document then gives recommendations for how brands and influencers should engage on each platform to grow their audience and drive engagement. This includes developing a content strategy, monitoring responses, regularly posting high-quality content, and focusing on two-way communication through replies and mentions.