You know who knows everything? People familiar with the matter. In particular, they know everything when "the matter" happens to be Sony's handheld strategy for 2010, which is said to finally include an honest-to-goodness PSP with phone capabilities -- something the world's been demanding for as long as they've wanted a Zunephone. According to the WSJ, the device is apparently part of a larger push by Sony to create an iTunes-like Utopian ecosystem of products this year that connect to Sony Online Service
