Maximize Your Salad Bar ROI. From the website:Like the salad served at the Pizza Hut but dislike the idea that it’s expensive and you are not allowed to take more than once? Here is a guide on how you can maximize your return of investment, invented by some creative Taiwanese students.Link (via J-Walk Blog) Comments (0) Login to comment. Enable JavaScript and Click here to access all of this post's 0 comments