Jesper Brodin, CEO of Ikea's owner, gives 'banana cards' to staff to encourage risk-taking and normalize failure.The initiative aims to combat fear of mistakes, promote innovation, and maintain agility within Ikea.Brodin personally follows up with employees who receive the cards to provide support and encouragement.Other business leaders such as Jeff Bezos and Elon Musk also emphasize the importance of failure for progress and innovation.