The majority of augmented reality applications these days may be visual ones, but that's hardly the only type of augmented reality possible, as fully evidenced by this so-called TagCandy device built by Yasuaki Kakehi of Keio University. As you can see above, it consists of a rather large base that accommodates a regular lollipop, which not only makes it easy to hold the candy, but uses bone-conduction technology to produce different sounds ranging from fizzy soda to fireworks. Of course, it is just a concept, and still something of a work in progress -- future possibilities apparently in