LinkBack: bidirectional linking on the cheapNotice: This hack doesn't work anymore for a variety of reasons, but I've made a a new and much nicer variant of it for Chrome. Go check it out. LinkBack is a browser extension that will automatically display incoming links for any web page you visit. Linkbacks show up in an overlay window. Here we see what it looks like when browsing this very page -- revealing that at the time of writing, I'm bi
