NEW YORK, LONDON, SINGAPORE and SAO PAULO, Sept. 9 /PRNewswire/ -- The Mobile Marketing Association (MMA) (www.mmaglobal.com) and its official research partner, Luth Research (www.luthresearch.com), today released the July 2010 U.S. Mobile Consumer Briefing, MMA's monthly survey of U.S.

NEW YORK, LONDON, SINGAPORE and SAO PAULO, Sept. 8 /PRNewswire/ -- The Mobile Marketing Association (MMA) (www.mmaglobal.com) and its official research partner, Luth Research (www.luthresearch.com), today released the June 2010 U.S. Mobile Consumer Briefing, MMA's monthly survey of U.S.

NEW YORK, LONDON, SINGAPORE and SAO PAULO, May 19 /PRNewswire/ -- The Mobile Marketing Association (MMA) (www.mmaglobal.com) and its official research partner, Luth Research (www.luthresearch.com), today released May 2010 U.S. Mobile Consumer Briefing, MMA's latest monthly survey of U.S.

NEW YORK, LONDON, SINGAPORE and SAO PAULO, April 21 /PRNewswire/ -- The Mobile Marketing Association (MMA) (www.mmaglobal.com) and its official research partner, Luth Research (www.luthresearch.com), today released the latest Mobile Consumer Briefing, a monthly survey of U.S.

NEW YORK, LONDON, SINGAPORE and SAO PAULO, April 6 /PRNewswire/ -- The Mobile Marketing Association (MMA) (www.mmaglobal.com) and its official research partner, Luth Research (www.luthresearch.com), today released highlights from the latest Consumer Briefing, a monthly survey of U.S.