A Visual Guide to Digital Badges By Rob Walker Design Posted Tuesday, July 5, 2011, at 9:51 AM Tweet Want more of your favorite content on the MSN homepage? Try the news, sports or entertainment editons. Tweet MYSLATE Save this story. Follow all Design articles. Follow the business_and_tech section. Follow stories by Rob Walker. MySlate is a new tool that lets you track your favorite parts of Slate. You can follow authors and sections, track comment threads you're interested in, and more. Click here to load comments.