Smartphones for Everything?

摘要

The technology folks are working overtime. They have discovered how handy smartphones are and all of their capabilities, and they're rushing to find new and innovative ways to make our wireless devices do things we have only envisioned or perhaps not even thought about. Today you can unlock the front door of your house if you purchase a lock that includes wireless, you can put a collar on your pet and monitor its whereabouts and even call it to come home (and perhaps it will).