One is IRIS OHYAMA a home products maker and on-line marketer whose corporate culture encourages trial and error and whose product line has been changing at a rate of 20% of items each year.

FORBES: Connect

Sure, men can be equally angsty in the face of choices, and we appreciate that, but for women, this angst, this indecision, this trial and error is a product of less than fifty years of progress.

FORBES: Magazine Article

Gillis says that these pairings are largely the product of trial and error.

NPR: Girl Talk Chops Pop Music To Pieces

James Dyson is also known for his trial-and-error approach in building function-led product designs.

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With the introduction of debit cards, money could be withdrawn from personal accounts instantaneously, leaving the individual little recourse in the event that the product or service was unsatisfactory or a billing error had occurred.

FORBES: Pension Consultant Shenanigans (September 4, 2004 )