Testing the 'Segway of skateboards'
Skateboards are the latest form of urban transportation to get a hi-tech makeover.
The Zboard is a motorised skateboard which responds in speed and direction to weight distribution on the board itself. But is it likely to follow the Segway into the pool of clever but ultimately short-selling ideas?
The BBC's North America technology correspondent Richard Taylor unleashed his inner teen and gingerly stepped on board at a tech gathering in San Francisco.