Nokia has just published its first quarterly results in the era of its Microsoft partnership and things aren't looking too bright. Smartphone market share, which had been at 41 percent this time last year and 31 percent in January, has now dipped to 26 percent, while operating profits have taken a 17 percent tumble relative to last year. The company managed to ship one percent more phones in Q1 2011 than in Q1 2010, but its 108.5 million units was an 18 percent drop from last quarter's totals. CEO Stephen Elop describes the first quarter as solid, but warns that the second will be "more challenging." He's encouraged by t