As video continues to take over social media feeds as the preferred mode of content, we’re tracking the nuances of this trend within its own network to help advertising partners get an idea of who’s watching what, when they’re watching it and whether they’re taking in the pre-rolls. In Twitter’s annual Online Video Playbook, which was made available exclusively to Adweek, research found that video ads in Twitter feeds are twice as memorable than when found elsewhere.  “We refer back to this playbook as we work strategically with our partners to develop innovative and creative campaigns.”