The computer revolution of the 1980s that led to ever smaller PCs wasn't a boon only to business. Scuba divers, too, have benefited enormously from the electronics and miniaturization advances. (…)

The introduction of scuba gear in the diving business has made it possible for many scuba diving shops to flourish. (…)

Like any other skilled activity, scuba diving must be studied before it can be mastered. (…)