In their wins over England and Wales, their traditional flamboyance was married with discipline and steel, a hybrid of classic Wallaby swagger and the ruthless efficiency their coach, Joe Schmidt, perfected as coach of Ireland.

The streamers have dipped their toes into that deep pond, but the form still belongs to broadcast network television, where it has been perfected over decades.

"Now that we have perfected making peptides stable, we are looking at other gut drugs to improve treatment options for gastrointestinal disorders, an unmet medical need."

Citing the ‘inner truth’ of lies for propaganda purposes is a technique perfected by the Nazis.

Filmmakers picked up on her eccentric, mannered style and the so-called “Maggie Smith character” — the class-fixated braggart she perfected — was born.