If you've ever used a cell phone while moving, then you've probably experienced the depressed network connectivity that becomes more of an issue as you move further away from any given tower. Some of us are even unfortunate enough to reside or work right at the edge of a cell, forced to live with poor connectivity for much of every day. A new feature called HSPA+ Multiflow may offer some relief, "delivering double the data speed and up to 50 percent faster response compared to existing HSPA+ networks," according to Nokia Siemens, which will be demonstrating the technology at Mobile