We've already seen Motorola's market share slip a bit when it comes to US cellphone shipments, and it looks like the news is even worse for the company on a global scale. According to iSuppli's latest numbers -- which back up some earlier reports -- while worldwide cellphone shipments rose a healthy 13.8 percent in the first quarter of 2010, Motorola slipped from sixth to eighth spot in the global rankings, selling a total of 8.5 million phones compared to 14.7 million dur
