Chrome: We've all been there. You're reading one Wikipedia article and all the blue links call out to you for your attention. You open a couple in new tabs, click a few articles here, and before you know it you've gone from the Economic Community of West African States to Jean-Claude Van Damme. WikiMapper helps you find your way back.
The extension works by quietly tracking your activity on Wikipedia. As you open new tabs, click blue links, and even start new sessions. When you need to see where all you've been, click the WikiMapper button and you'll get a fancy-looking graph of where you've been and how you got there. While it's not much more handy than your browser's back button for single-tab ventures, if you're the type to open up 12 tabs for "later reading", this should help you plenty.