Steve Ballmer spoke about Windows Mobile as one of its 7 big businesses. According to Ballmer, Microsoft has been ramping up expenditure in the Windows Mobile segment over the last few years, and at $900 million per year; regarding the operating system itself, Steve Ballmer mentioned the unveiling of Windows Mobile 6.5 last week, and also clearly stated Windows Mobile 7 will be coming next year.  He noted that he felt the continuing expansion of the smartphone segment into the whole phone segment should help Windows Mobile to continue growing despite the downturn in the economy, and that Windows Mobile is particularly well suited for low cost smartphones with many different from factors.