Los Angeles—Computer maker Lenovo Group announced a partnership with actor-producer Ashton Kutcher to become a product engineer for its new Yoga tablet line of computers. Under the partnership, Kutcher will work with Lenovo's engineering teams around the world to help develop and market the Yoga. Kutcher, who stars in the CBS comedy “Two and a Half Men” and has invested in technology companies in the past, will help promote the Yoga line through social media, events and advertising. Financial terms of the deal were not disclosed.