The classic ‘food-puzzle’ has long been a zoo-keeper favourite, but what if our super-smart cousins could join us in the digital age? ​ Animal well-being is the top priority for today’s zoos and conservation organisations. For endangered species such as the orangutan, successful zoological agendas for their captive cousins are vital for ensuring great-ape conservation. ‘Cognitive enrichment’ has established as a vital feature of conservation programmes; promoting primate inte