With the assimilation of Ericsson's wireless stake now neatly a footnote in its corporate history, Sony's moving on and making its newfound freedom known -- albeit quietly. According to a rep for the company, its first rebranding baby steps began just last night, with the former SonyEricsson portal now redirecting to SonyMobile.com. Other related properties, like its social networking extensions and various related digital properties, are also slated to make th