We're not sure what Sony is getting at, but it certainly seems to be planning on charging somebody for something at some point in the future. Kaz Hirai mentioned a new premium level subscription plan for PlayStation Network last month, though we were told that the current level of PSN service was to remain free. Now SCE's Masayuki Chatani has chimed in, saying that Sony would face difficulties if it just leans on the "sell-and-forget model." Unfortunately, we're still not sure what the sell-and-remember alternative might be. Masayuki adds: "We can also accept payment in a growing number of ways. In addition to single-p