Samsung's decision to skip unveiling the Galaxy S III at this week's just-ended Mobile World Congress may not have been a sign of a delay but a competitive move to keep its final plans a secret. Leaks from unnamed Samsung officials to ZDNet had the company still on track to ship the third-generation phone in April, a year on from the launch of the Galaxy S II. It may have timed it for as late as the summer, but was taking advantage of a lack of immediate releases from Chinese firms, as well as a presumed half-year wait from April to the next iPhone, to "move ahead o
