Salesforce has announced a mobile version of Chatter, its enterprise social networking platform. The product will be available for the iPad, iPhone, iPod Touch, Android and Blackberry. The company points out that people who use Facebook through a mobile device are twice as active on the site than non-mobile users (according to IDC ), and that mobile devices are beconing "the new enterprise desktop" for over 50% of the workforce. With these things in mind,