1.   A number of companies are making relatively inexpensive gadgets that can capture an image of a fingerprint so that it can be compared against a database.

2.   Or use a zester, a special inexpensive gadget that is pulled over the surface to produce long shreds of zest.

3.   They range from new ideas for structural modifications to inexpensive hand-held electronic gadgets that can be readily purchased from a neighborhood store.

4.   They range from inexpensive gadgets available in drugstores to more costly custom-made mouthpieces to even-more-costly surgery.

5.   What Voice Signal Technologies has created is an innovation in voice recognition systems, an inexpensive gadget that incorporates top-of-the-line technology.