Three-year-old Leo’s face lights up as he takes his first steps strapped into a green machine, his small fingers grabbing onto the handle bars as his sneakers push off the ground, propelling him ...

"The biggest advantage of this friend is that it can work '007, 0 o’clock to 0 o’clock, seven days a week,'" said Lao, a public relations officer at Ubitech, a humanoid, human-shaped robot company in ...