This example is from Wikipedia and may be reused under a CC BY-SA license. Past non-physical challenges include making 30-second promos on a given topic and selling programs within a time limit. From Wikipedia AbecitaAcerAcuvueAdidasAigleAlexander mcqueenAppleAsicsAsusAtlasBenqBlack lilyBlk dnmBoschBoseBraunBritney spearsBrixtolDogs careghdGigasetGilletteGiuseppe zanottiGoproGrundigJa... https://promo-o21975.wssblogs.com/26206369/o-melhor-single-estratégia-a-utilizar-para-site-de-descontos