"When I finish, it will also be Malcolm's last major championships, " said Jackson, who is writing a book and putting out an interactive cd-rom on fitness and training with Arnold, who also coached Uganda's John Akii-Bua to the Olympic 400m hurdles title in 1972.

BBC: Jackson confirms retirement plan

Mr Kempin also exerted pressure on IBM over the CD-Rom Encyclopaedia IBM World Book, which competed with Microsoft's Encarta.

BBC: IBM chief: Microsoft killed OS/2

That kind of thing needn't be confined to PCs: You might order a book made up of six chapters on Russian stamps from six different books, or a CD with 12 tracks you specify, or a pair of pants cut to your measurements.

FORBES: Does Amazon.com really matter?

Those shows are now on "They All Played for Us, " a lavish 4-CD set with a hardbound book of commentary and colorful photography, released by the label last month.

WSJ: Five Decades of Arhoolie Records | By Barry Mazor