] Wozniak said he set out trying to solve problems people
] encounter in their everyday lives. In his case, he wanted
] an inexpensive way to know if his dog crossed over the
] electronic fencing around his home without having to tag
] the pet with an expensive device like a cell phone or
] Global Positioning System receiver.
]
] Rifredi said he's interested in having a way to track and
] instantly locate his 2-year-old son, "who's just getting
] mobile now."