Reanimated AI Greta Garbo stars again … in a ball-bearing advert

<p>Relatives of Hollywood legend say her doppelganger could now be used for more glamorous roles</p><p>She shimmered in Hollywood’s silent movie era and lit up the first talkies – now Greta Garbo may be about to star in cinema’s new AI age.</p><p>More than a century aft