In a surprisingly fitting union, New York City-based Outbrain, purveyor of most of those link recommendations you see underneath blog posts, has acquired Visual Revenue, a company that offers tools for editors to analyze the performance of their content. “By merging Outbrain and Visual Revenue, we are combining the largest platform in the content discovery space with the leading platform for editorial decision support,” said Outbrain chief executive Yaron Galai in a blog post.