Pet owners worried about leaving their dogs at home indoors all day can now feel less guilty - by buying a robot that exercises them while they are at work. The Smart Pet Robot 'plays' with the animal, encouraging it to be chased around the home and offering treats as a reward for the pet doing exercise.

The £75 device - which launches in the UK from next month (February) is designed with sensors so it turns automatically before it hits an obstacle, and can last up to ten...
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