Manufacturers benefit from hacking fans
Fans of the TiVo digital video recorder have discovered how to break it open and install a larger hard drive. Early users of the Roomba, a robot vacuum cleaner, are rewiring it to serve as a "mobile security robot." Owners of the new Sony PlayStation Portable have figured out how to use the game machine to surf the Internet and exchange instant messages.
In the digital era, every consumer-electronics product comes with microchips and software programming, and for a new generation of tech-savvy users, these are the raw materials needed to make a digital toy or appliance do tricks that its creators didn't envision. Sometimes, tinkerers become a consumer electronics maker's unofficial research-and-development team, with innovations winding up as built-in features down the line.
