1. An outdated or old-fashioned trick, device, or ploy that was once popular or effective but is now considered obsolete or no longer appealing
Using flip phones as a marketing gimmick is a dated gimmick in the smartphone era.
Usar telefones flip como estratégia de marketing é um truque ultrapassado na era dos smartphones.
2. A contrived method or strategy that has lost its novelty or relevance over time
Those 3D glasses promotions are just a dated gimmick from the 2000s.
Aquelas promoções de óculos 3D são apenas um truque ultrapassado dos anos 2000.