1.   Because the recent government shutdown that kept so many workers off the job, Berkeley is offering the disk at half retail price to all federal workers.

2.   A spokesman for the partnership emphasized the work that remains to be done before this digital video disk can be offered to consumers.

3.   Either disk could be offered as optional equipment, he said.

4.   The watchdogs at the Recording Industry Association of America have found such a disk offered for sale, a blatantly illegal bootleg.