The global recession clearly accelerated the pace of wireline-to-mobile substitution, according to a new Fixed and Mobile Subscribers market forecast report from Infonetics Research. Driven by strong growth in China, India, Brazil, Russia and other emerging economies, the number of worldwide mobile subscribers will reach 5.9 billion by 2013.Some other highlights of the report:There were nearly 4 times more mobile subscribers than access line subscribers worldwide in 2008 (3.9 billion vs. 1 billion)The number of mobile subscribers grew 17.4% in...