TWO years from now the world’s smallest optical disc will let your cellphone store five two-hour movies, squirrel away 25,000 digital photos or hoard 48 hours of MP3 music.
Âé¶¹´«Ã½ learned last week that the electronics company Philips has been secretly researching the technology in Britain at its research centre in Southampton. It uses a miniature optical disc that records, plays back and erases data using the same precision blue lasers that are being developed for the next generation of high-definition video recorders.
The Philips disc has no catchy name yet, so the system is known as SFFO,…



