A couple days ago we wrote about how adding video to your landing pages can increase conversions by 80%. Today we want to tell you how to add a video to landing pages, in a screencast. We start by showing you how to add videos from Shakr, YouTube and Vimeo to your landing pages on Unbounce. (We use Unbounce in this example because it’s what we use at Shakr, but the process is similar for other services, too.) Then, in …