Richard Hipp's database is used by some of the biggest names in IT - but he has not made a penny from it.
In a world of people obsessed by turning the tiniest idea into something profitable, Dr Richard Hipp's best-known software stands out for two reasons - he actively disclaims copyright in it; and at a time when multi-megabyte installations are booming, he has a self-imposed limit on the size of his product: 250KB