What is magic? David Blaine explains what it took to achieve his goal of becoming the Guinness World Record holder for holding his breath the longest. One of my favourite TED presentations. Related By Mark Forrester Co-founder of WooThemes. Makers of WooCommerce - acquired by Automattic. Mark is a husband, dad, early stage investor, photographer, gadget geek and sports fanatic. Proudly based in Cape Town, South Africa. View all of Mark Forrester's posts.