Two tech titans will square off in a US court in a closely watched trial over control of the smartphone and computer tablet markets.Apple Inc filed a lawsuit against South Korea's Samsung Electronics Co last year alleging the world's largest technology company's smartphones and computer tablets are illegal knockoffs of its popular iPhone and iPad products.The Cupertino, California-based company is demanding $US2.5 billion ($A2.4 billi...
Tech titans square off in court