April 14 - 11:45pm EDT   The iPhone has captured a lot of attention with consumers due to its intuitive nature as well as the future SDK and enterprise functionality, but some users are stuck feeling that the keyboard could use some work. According to a study at Good Housekeeping, testers had little difficulty navigating the iPhone, but the keyboard proved to be trickier to use. Writer Amy Roberts notes that users had a tough time learning to type properly using the on-screen keyboard, versus handsets that featured a physical keyboard. [full story]