Apparently someone has actually been able to hear Bob Struble cite some "real" sales figures (although, of course, we have no idea what the basis is for these figures and whether or not they include returns), at the Virtual Events conference, quoted in the January 1st Radio World:
2006: 28,000
2007: 140,000
2008: 366,000
2009 (through early December): 734,000
He claims 1.3 million sold to date.
2006: 28,000
2007: 140,000
2008: 366,000
2009 (through early December): 734,000
He claims 1.3 million sold to date.