
After getting sneak peaks of the day’s talks, visual artist Derek Cascio worked overnight to draw massive black and white murals of those themes onto the walls of the convention center with a dry-erase tool known as IdeaPaint. Then attendees added their own layers as the sessions got underway.
Photo: Ryan Lash/TED

Oversize letters on both vertical and horizontal planes provided clean graphic decor at TED's Social Spaces.
Photo: Ryan Lash/TED