Unilever introduces the first "sweet and sour" popsicle. It is called Twister Fruit Zingerrr and has just been launched by Wall's, the British brand of Italian Algida (whose Viennetta, Magnum and Cornetto it markets overseas) owned by the British giant. The popsicle is made from real fruit juice, with no artificial flavors or dyes: it contains a blend of tangy apple, sour lemon and sweet blueberry...