15 million units in 13 months, those are the sales figures for Wii Fit. Players of video games also like to remain fit and Wii Fit has taken advantage of that. At E3 Nintendo announced that Wii Fit Plus would also be launched later this year. As America’s bestselling game since it was introduced, Wii Fit has a number of innovative features.The balance board is sensitive to postural shifts and can be used for many exercises, games as well as weight measurement. Wii Fit Plus is to be even more accurate in its measurements.Meanwhile there is some good news for lovers of older TV shows and newer games. A marriage of older shows with newer games may happen. An interactive version of 1 vs 100 will be launched by Microsoft this week.It features the host, cheesy jokes, the audience all form part of the ambience. This game is a trivia contest where you have to eliminate as many people as possible. There aren’t 101 playing, however, there are thousands.Interestingly 1 vs 100 is a free game, revenue comes from commercials and sponsorships. Women and older people are the target audience for this game. Innovative entertainment and business.Meanwhile at E3, the PSP Go Console was unvieled. The PSP Go is to cost $249 in North America.