"Before Sunset" picks up on the story nine years later.

WSJ: 'Before,' and After | Julie Delpy | Cultural Conversation by Martin Johnson

We spotted an inflatable bathroom bubble that can pop up on any rooftop for a serene sunset soak, while Aether clothing dropped a three-story store made from stacked shipping containers in San Francisco.

ENGADGET: Inhabitat's Week in Green: Biobot, Nintendo Power Glove and an inflatable bathroom bubble